v3006.26
Backport 3.13 build requirements from PR #69034 to 3006.x
Restructure requirements to .in/.lock and automate Dependabot sync
Add Python 3.14 support to CI and pre-commit
Ship requirements/*.in and *.lock in sdist (fixes #69244)
Bump onedir Python 3.13 to 3.13.14 to match relenv v0.22.14 assets
Restore FIPS provider install and FIPS_TESTRUN env on FIPS test runs
Use TEST_SALT_LISTING for supported slugs
Remove dead code