Bump oxsecurity/megalinter from 7.7.0 to 8.3.0 (#1156)

Bumps [oxsecurity/megalinter](https://github.com/oxsecurity/megalinter) from 7.7.0 to 8.3.0.
- [Release notes](https://github.com/oxsecurity/megalinter/releases)
- [Changelog](https://github.com/oxsecurity/megalinter/blob/main/CHANGELOG.md)
- [Commits](oxsecurity/megalinter@v7.7.0...v8.3.0)

---
updated-dependencies:
- dependency-name: oxsecurity/megalinter
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/linter.yml

@@ -19,4 +19,4 @@ jobs:
         uses: actions/checkout@v4
 
       - name: MegaLinter
-        uses: oxsecurity/megalinter/flavors/python@v7.7.0
+        uses: oxsecurity/megalinter/flavors/python@v8.3.0