chore(deps): update babel requirement from >=2.14.0 to >=2.18.0

[dependabot]

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

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