Bump pigar from 2.1.4 to 2.1.6

Bumps [pigar](https://github.com/damnever/pigar) from 2.1.4 to 2.1.6.
- [Release notes](https://github.com/damnever/pigar/releases)
- [Changelog](https://github.com/damnever/pigar/blob/main/CHANGELOG.md)
- [Commits](damnever/pigar@v2.1.4...v2.1.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -34,7 +34,7 @@ mypy-extensions==1.0.0
 nbformat==5.10.4
 packaging==24.1
 pathspec==0.12.1
-pigar==2.1.4
+pigar==2.1.6
 pipreqs==0.5.0
 platformdirs==4.2.2
 pycparser==2.22