Build(deps): Bump exceptiongroup in /dependencies/default

Bumps [exceptiongroup](https://github.com/agronholm/exceptiongroup) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/agronholm/exceptiongroup/releases)
- [Changelog](https://github.com/agronholm/exceptiongroup/blob/main/CHANGES.rst)
- [Commits](agronholm/exceptiongroup@1.2.0...1.2.1)

---
updated-dependencies:
- dependency-name: exceptiongroup
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

dependencies/default/constraints.txt

@@ -1,6 +1,6 @@
 attrs==23.2.0
 coverage==7.5.1
-exceptiongroup==1.2.0
+exceptiongroup==1.2.1
 hypothesis==6.102.0
 iniconfig==2.0.0
 packaging==24.0