Bump umbrelladocs/action-linkspector in the version-updates group

Bumps the version-updates group with 1 update: [umbrelladocs/action-linkspector](https://github.com/umbrelladocs/action-linkspector).


Updates `umbrelladocs/action-linkspector` from 1.2.0 to 1.2.1
- [Release notes](https://github.com/umbrelladocs/action-linkspector/releases)
- [Commits](UmbrellaDocs/action-linkspector@80f9386...48f983a)

---
updated-dependencies:
- dependency-name: umbrelladocs/action-linkspector
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: version-updates
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/markdown-links.yml

@@ -22,7 +22,7 @@ jobs:
           egress-policy: audit
       - name: Check links in modified Markdown files
         if: github.event_name == 'pull_request'
-        uses: umbrelladocs/action-linkspector@80f93864bef8919dc990cd59f7a9aab9361d688c # v1.2.0
+        uses: umbrelladocs/action-linkspector@48f983a39133f602ee5b5032b55906b906764a8c # v1.2.1
         with:
           fail_on_error: true
           filter_mode: file