chore(deps-dev): update babel requirement from <2.17,>=2.16 to >=2.16,<2.19

[dependabot]

Warning

Dependabot will stop supporting python v3.9!

Please upgrade to one of the following versions: v3.9, v3.10, v3.11, v3.12, v3.13, or v3.14.

Updates the requirements on babel to permit the latest version.

Release notes

Sourced from babel's releases.

v2.18.0

Happy 2026! Like last year's release (ahem...), this one too is being made from FOSDEM 2026, in Brussels, Belgium. 🇧🇪 We'll aspire for a less glacial release cycle for 2.19. 😁

Please see CHANGELOG.rst for the detailed change log.

Full Changelog: python-babel/babel@v2.17.0...v2.18.0

Changelog

Sourced from babel's changelog.

Version 2.18.0

Happy 2026! This release is, coincidentally, also being made from FOSDEM.

We will aspire for a slightly less glacial release cadence in this year; there are interesting features in the pipeline.

Features

* Core: Add `babel.core.get_cldr_version()` by @akx in :gh:`1242`
* Core: Use CLDR 47 by @tomasr8 in :gh:`1210`
* Core: Use canonical IANA zone names in zone_territories by @akx in :gh:`1220`
* Messages: Improve extract performance via ignoring directories early during os.walk by @akx in :gh:`968`
* Messages: Merge in per-format keywords and auto_comments by @akx in :gh:`1243`
* Messages: Update keywords for extraction of dpgettext and dnpgettext by @mardiros in :gh:`1235`
* Messages: Validate all plurals in Python format checker by @tomasr8 in :gh:`1188`
* Time: Use standard library `timezone` instead of `FixedOffsetTimezone` by @akx in :gh:`1203`
Bugfixes

• Core: Fix formatting for "Empty locale identifier" exception added in #1164 by @​akx in :gh:1184
• Core: Improve handling of no-inheritance-marker in timezone data by @​akx in :gh:1194
• Core: Make the number pattern regular expression more efficient by @​akx in :gh:1213
• Messages: Keep translator comments next to the translation function call by @​akx in :gh:1196
• Numbers: Fix KeyError that occurred when formatting compact currencies of exactly one thousand in several locales by @​bartbroere in :gh:1246

Other improvements

* Core: Avoid unnecessary uses of `map()` by @akx in :gh:`1180`
* Messages: Have init-catalog create directories too by @akx in :gh:`1244`
* Messages: Optimizations for read_po by @akx in :gh:`1200`
* Messages: Use pathlib.Path() in catalog frontend; improve test coverage by @akx in :gh:`1204`
Infrastructure and documentation

• CI: Renovate CI & lint tools by @​akx in :gh:1228
• CI: Tighten up CI with Zizmor by @​akx in :gh:1230
• CI: make job permissions explicit by @​akx in :gh:1227
• Docs: Add SECURITY.md by @​akx in :gh:1229
• Docs: Remove u string prefix from docs by @​verhovsky in :gh:1174
• Docs: Update dates.rst with current unicode.org tr35 link by @​clach04 in :gh:1189
• General: Add some PyPI classifiers by @​tomasr8 in :gh:1186
• General: Apply reformatting by hand and with Ruff by @​akx in :gh:1202
• General: Test on and declare support for Python 3.14 by @​akx in :gh:1233

... (truncated)

Commits

• 56c63ca Prepare for 2.18.0 (#1248)
• 73015a1 Add user-agent to CLDR downloader (#1247)
• 29bd362 Fix formatting compact currencies of exactly one thousand in several locales ...
• 851db43 Reuse InitCatalog's guts in UpdateCatalog (#1244)
• fd00e60 Extract: Merge in per-format keywords and auto_comments (#1243)
• 12a14b6 Add dpgettext and dnpgettext support (#1235)
• 7110e62 Use canonical IANA zone names in zone_territories (#1220)
• e91c346 Improve extract performance via ignoring directories early during os.walk (#968)
• 0c4f378 Convert Unittest testcases with setup/teardown to fixtures (#1240)
• 218c96e Add babel.core.get_cldr_version() (#1242)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Coverage ∅ diff coverage

Metric	Results
Coverage variation	Report missing for 96616dd1
Diff coverage	✅ ∅ diff coverage

View coverage diff in Codacy

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (96616dd)	Report Missing	Report Missing	Report Missing
Head commit (5b77d04)	1136	1040	91.55%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#12)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

¹ Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct.

_{NEW Get contextual insights on your PRs based on Codacy's metrics, along with PR and Jira context, without leaving GitHub. Enable AI reviewer
TIP This summary will be updated as you push new changes.}