build(deps): bump pydantic from 2.9.1 to 2.9.2 (#2389)

* build(deps): bump pydantic from 2.9.1 to 2.9.2

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.9.1 to 2.9.2.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](https://github.com/pydantic/pydantic/compare/v2.9.1...v2.9.2)

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

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

* Update requirements.txt

* remove pinned sub-dependency

Co-authored-by: Willi Ballenthin <wballenthin@google.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Moritz <mr-tz@users.noreply.github.com>
Co-authored-by: Willi Ballenthin <wballenthin@google.com>

requirements.txt

@@ -26,8 +26,11 @@ protobuf==5.28.2
 pyasn1==0.5.1
 pyasn1-modules==0.3.0
 pycparser==2.22
-pydantic==2.9.1
-pydantic-core==2.23.3
+pydantic==2.9.2
+# pydantic pins pydantic-core, 
+# but dependabot updates these separately (which is broken) and is annoying,
+# so we rely on pydantic to pull in the right version of pydantic-core.
+# pydantic-core==2.23.4
 xmltodict==0.13.0
 pyelftools==0.31
 pygments==2.18.0