Bump actions/checkout from 6.0.2 to 6.0.3 (#188)

* Bump actions/checkout from 6.0.2 to 6.0.3

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6.0.2...v6.0.3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* chore: bump pip to 26.1.2 to fix PYSEC-2026-196

pip>=26.1.2 fixes a vulnerability where console_scripts and gui_scripts
were treated as paths instead of file names without sanitizing the
resolved absolute path to the installation directory.

Co-authored-by: aieng-bot <aieng-bot@vectorinstitute.ai>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: aieng-bot[bot] <aieng-bot@vectorinstitute.ai>

Author: dependabot[bot]

.github/workflows/code_checks.yml

@@ -29,7 +29,7 @@ jobs:
   run-code-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
 
       - name: Install uv
         uses: astral-sh/setup-uv@v8.1.0