actionlint.yml: update to match main configuration

Author: BrewTestBot

.github/workflows/actionlint.yml

@@ -34,12 +34,12 @@ jobs:
     steps:
       - name: Set up Homebrew
         id: setup-homebrew
-        uses: Homebrew/actions/setup-homebrew@main
+        uses: Homebrew/actions/setup-homebrew@1f8e202ffddf94def7f42f6fa3a482e821489f9c # 2026.07.10.1
         with:
           core: false
           cask: false
 
-      - uses: Homebrew/actions/cache-homebrew-prefix@main
+      - uses: Homebrew/actions/cache-homebrew-prefix@1f8e202ffddf94def7f42f6fa3a482e821489f9c # 2026.07.10.1
         # Don't cache the prefix for the formulae.brew.sh repository as it won't download its own JSON API files
         if: github.repository != 'Homebrew/formulae.brew.sh'
         with: