chore(deps): Bump dagger/dagger-for-github from 6 to 7

Bumps [dagger/dagger-for-github](https://github.com/dagger/dagger-for-github) from 6 to 7.
- [Release notes](https://github.com/dagger/dagger-for-github/releases)
- [Commits](dagger/dagger-for-github@v6...v7)

---
updated-dependencies:
- dependency-name: dagger/dagger-for-github
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/shellcheck.yml

@@ -35,7 +35,7 @@ jobs:
           fetch-depth: 0
 
       - name: Call Dagger Function
-        uses: dagger/dagger-for-github@v6
+        uses: dagger/dagger-for-github@v7
         with:
           args: check --source=. stdout
           module: github.com/softwaredevelop/daggerverse/shellcheck@main