Bump the python-dev-tooling group in /src/pypgstac with 2 updates

Bumps the python-dev-tooling group in /src/pypgstac with 2 updates: [ruff](https://github.com/astral-sh/ruff) and [ty](https://github.com/astral-sh/ty).


Updates `ruff` from 0.15.14 to 0.15.15
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.14...0.15.15)

Updates `ty` from 0.0.39 to 0.0.42
- [Release notes](https://github.com/astral-sh/ty/releases)
- [Changelog](https://github.com/astral-sh/ty/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ty@0.0.39...0.0.42)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-dev-tooling
- dependency-name: ty
  dependency-version: 0.0.42
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-dev-tooling
...

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

Author: dependabot[bot]

src/pypgstac/pyproject.toml

@@ -37,8 +37,8 @@ dependencies = [
 [dependency-groups]
 dev = [
     "types-setuptools",
-    "ruff==0.15.14",
-    "ty==0.0.39",
+    "ruff==0.15.15",
+    "ty==0.0.42",
     "pre-commit==4.6.0",
 ]
 test = [