ci: trigger cache refreshes via cron

.github/workflows/build.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - ci
+      - "dev/build-yml"
       - "!main"
 
 permissions:
@@ -125,7 +126,7 @@ jobs:
           echo "ASSET_SUM=$ARCHIVE.tar.gz.sha256" >> $GITHUB_ENV
 
       - name: Upload release archive
-        if: github.ref == 'refs/heads/ci'
+        if: "github.ref == 'refs/heads/ci' && !contains(github.event.head_commit.message, '[cron]')"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         shell: bash
@@ -134,7 +135,7 @@ jobs:
           gh release upload "$version" ${{ env.ASSET }} ${{ env.ASSET_SUM }}
 
   promote-release:
-    if: github.ref == 'refs/heads/ci'
+    if: "github.ref == 'refs/heads/ci' && !contains(github.event.head_commit.message, '[cron]')"
     name: promote-release
     needs: ["build-binaries", "get-version"]
     runs-on: ubuntu-latest

.github/workflows/cron-cache.yml

@@ -0,0 +1,32 @@
+name: cron-cache
+
+on:
+  push:
+    branches:
+      - "dev/cron-cache-yml"
+  schedule:
+    - cron: "0 0 */5 * *"
+
+permissions:
+  contents: write
+
+jobs:
+  create-release:
+    name: trigger-cron-ci
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.CI_TOKEN }}
+      - name: Push a special commit to the CI branch
+        env:
+          GITHUB_TOKEN: ${{ secrets.CI_TOKEN }}
+        shell: bash
+        run: |
+          ts="$(date "+%F@%T")"
+          git config --global user.name 'Github Actions'
+          git config --global user.email 'gh@getbetter.ro'
+          git branch -D ci-temp || true
+          git checkout -b ci-temp
+          git commit --allow-empty --message="[cron] $ts"
+          git push -u origin ci-temp:ci --force