v1.8.0: New keywords

What's Changed

• Synchronize common files from prometheus/prometheus by @prombot in #65
• Various deps updates on examples/ (should move to how to doc as actual examples are overkill to maintain)
• feat: Align keywords with documentation by @celian-garcia in #143
• fix: remove extra [ from hexdigits by @svennergr in #152

New Contributors

• @svennergr made their first contribution in #152

Full Changelog: v1.7.4...v1.8.0