Bump oxsecurity/megalinter from 7.7.0 to 7.8.0

Bumps [oxsecurity/megalinter](https://github.com/oxsecurity/megalinter) from 7.7.0 to 7.8.0.
- [Release notes](https://github.com/oxsecurity/megalinter/releases)
- [Changelog](https://github.com/oxsecurity/megalinter/blob/main/CHANGELOG.md)
- [Commits](7e042c726c...688bc7466d)

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

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

.github/workflows/mega-linter.yml

@@ -44,7 +44,7 @@ jobs:
         id: ml
         # You can override MegaLinter flavor used to have faster performances
         # More info at https://megalinter.github.io/flavors/
-        uses: oxsecurity/megalinter@7e042c726c68415475b05a65a686c612120a1232 # v7.7.0
+        uses: oxsecurity/megalinter@688bc7466d7ab4faa83d614c2e6f9acf42b674dc # v7.8.0
         env:
           # All available variables are described in documentation
           # https://megalinter.github.io/configuration/