Bump bump-my-version from 1.2.6 to 1.3.0 in /.github/workflows

Bumps [bump-my-version](https://github.com/callowayproject/bump-my-version) from 1.2.6 to 1.3.0.
- [Release notes](https://github.com/callowayproject/bump-my-version/releases)
- [Changelog](https://github.com/callowayproject/bump-my-version/blob/master/CHANGELOG.md)
- [Commits](callowayproject/bump-my-version@1.2.6...v1.3)

---
updated-dependencies:
- dependency-name: bump-my-version
  dependency-version: 1.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/constraints.txt

@@ -1,2 +1,2 @@
-bump-my-version==1.2.6
+bump-my-version==1.3.0
 nox==2025.11.12