ci: clear Firefox cache daily (#11802)

.github/workflows/clear-caches.yml

@@ -1,6 +1,9 @@
 name: Clear cache
 
 on:
+  schedule:
+    # Run everyday at: https://crontab.guru/#0_6_*_*_*.
+    - cron: '0 6 * * *'
   workflow_dispatch:
 
 permissions:
@@ -10,7 +13,7 @@ jobs:
   clear-cache:
     runs-on: ubuntu-latest
     steps:
-      - name: Clear cache
+      - name: Clear Firefox cache
         uses: actions/github-script@v7
         with:
           script: |
@@ -20,12 +23,13 @@ jobs:
               repo: context.repo.repo,
             })
             for (const cache of caches.data.actions_caches) {
+              if (cache.key.toLowerCase().startsWith('firefox')) {
                 console.log(cache)
-              # Dry run
-              # github.rest.actions.deleteActionsCacheById({
-              #   owner: context.repo.owner,
-              #   repo: context.repo.repo,
-              #   cache_id: cache.id,
-              # })
+                github.rest.actions.deleteActionsCacheById({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  cache_id: cache.id,
+                })
+              }
             }
             console.log("Clear completed")