ci: add checksum checker pipeline (#2274)

Signed-off-by: mudler <mudler@localai.io>

.github/workflows/checksum_checker.yaml

@@ -0,0 +1,29 @@
+name: Check if checksums are up-to-date
+on:
+  schedule:
+    - cron: 0 20 * * *
+  workflow_dispatch:
+jobs:
+  checksum_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: |
+          pip install huggingface_hub
+          # yq
+          VERSION=v4.43.1 BINARY=yq_linux_amd64 wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY}.tar.gz -O - |\
+          tar xz && sudo mv ${BINARY} /usr/bin/yq
+      - name: Checksum checker 🔧
+        run: |
+          bash .github/checksum_checker.sh gallery/index.yaml
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.UPDATE_BOT_TOKEN }}
+          push-to-fork: ci-forks/LocalAI
+          commit-message: ':arrow_up: Checksum updates in gallery/index.yaml'
+          title: 'models(gallery): :arrow_up: update checksum'
+          branch: "update/checksum"
+          body: Updating checksums in gallery/index.yaml
+          signoff: true