super-linter: use slim version

Author: vogler

.github/workflows/lint.yml

@@ -1,4 +1,4 @@
----
+# https://github.com/marketplace/actions/super-linter#get-started
 name: Lint
 
 on: # yamllint disable-line rule:truthy
@@ -27,7 +27,7 @@ jobs:
           fetch-depth: 0
 
       - name: Super-linter
-        uses: super-linter/[email protected] # x-release-please-version
+        uses: super-linter/super-linter/slim@v7.3.0 # x-release-please-version
         env:
           # To report GitHub Actions status checks
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}