chore: bump docker-model and llamacpp versions in build.json (#843)

* chore: bump docker-model and llamacpp versions in build.json

* chore: update llamacpp version fetching logic in release workflow

* chore: streamline release workflow by adding model-runner checkout and loading GO version conditionally

Author: ilopezluna

.github/workflows/release.yml

@@ -477,30 +477,50 @@ jobs:
           token: ${{ secrets.CLI_RELEASE_PAT }}
           fetch-depth: 0
 
-      - name: Bump docker-model version in build.json
+      - name: Fetch latest llamacpp version from Docker Hub
+        id: llamacpp
+        run: |
+          TAGS_JSON=$(curl -s "https://hub.docker.com/v2/repositories/docker/docker-model-backend-llamacpp/tags?page_size=25&ordering=last_updated")
+          LLAMACPP_VERSION=$(echo "$TAGS_JSON" | jq -r '
+            (.results[] | select(.name == "latest-cpu") | .digest) as $d |
+            .results[] | select(.name != "latest-cpu" and (.name | test("^v[0-9]+\\.[0-9]+\\.[0-9]+-cpu$")) and .digest == $d) | .name | split("-")[0]
+          ')
+          if [ -z "$LLAMACPP_VERSION" ] || [ "$LLAMACPP_VERSION" = "null" ]; then
+            echo "::error::Failed to fetch latest llamacpp version from Docker Hub"
+            exit 1
+          fi
+          echo "version=$LLAMACPP_VERSION" >> "$GITHUB_OUTPUT"
+          echo "📦 Latest llamacpp version: $LLAMACPP_VERSION"
+
+      - name: Bump docker-model and llamacpp versions in build.json
         env:
           VERSION: ${{ needs.prepare.outputs.version }}
+          LLAMACPP_VERSION: ${{ steps.llamacpp.outputs.version }}
         run: |
           NEW_VERSION="v${VERSION}"
-          jq --arg v "$NEW_VERSION" '.["docker-model"].version = $v' build.json > build.json.tmp
+          jq --arg model_v "$NEW_VERSION" --arg llama_v "$LLAMACPP_VERSION" '
+            .["docker-model"].version = $model_v |
+            .["llamacpp"].version = $llama_v
+          ' build.json > build.json.tmp
           mv build.json.tmp build.json
 
       - name: Create pull request
         uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0
         with:
           token: ${{ secrets.CLI_RELEASE_PAT }}
           base: main
-          commit-message: "chore: bump docker-model to v${{ needs.prepare.outputs.version }}"
+          commit-message: "chore: bump docker-model to v${{ needs.prepare.outputs.version }} and llamacpp to ${{ steps.llamacpp.outputs.version }}"
           branch: bump-docker-model-v${{ needs.prepare.outputs.version }}
-          title: "Bump docker-model to v${{ needs.prepare.outputs.version }}"
+          title: "Bump docker-model to v${{ needs.prepare.outputs.version }} and llamacpp to ${{ steps.llamacpp.outputs.version }}"
           body: |
             ### Ticket(s)
 
             N/A — automated version bump
 
             ### What this PR does
 
-            Bumps docker-model version to v${{ needs.prepare.outputs.version }} in build.json.
+            - Bumps docker-model version to v${{ needs.prepare.outputs.version }} in build.json.
+            - Bumps llamacpp version to ${{ steps.llamacpp.outputs.version }} in build.json (latest from [Docker Hub](https://hub.docker.com/r/docker/docker-model-backend-llamacpp/tags)).
 
             ### Notes for the reviewer
 
@@ -540,6 +560,15 @@ jobs:
             echo "changed=false" >> "$GITHUB_OUTPUT"
           fi
 
+      - name: Checkout model-runner
+        if: steps.check-docs.outputs.changed == 'true'
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+
+      - name: Load GO version
+        if: steps.check-docs.outputs.changed == 'true'
+        id: versions
+        uses: ./.github/actions/load-go-version
+
       - name: Checkout docs
         if: steps.check-docs.outputs.changed == 'true'
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
@@ -548,10 +577,6 @@ jobs:
           token: ${{ secrets.CLI_RELEASE_PAT }}
           fetch-depth: 0
 
-      - name: Load GO version
-        id: versions
-        uses: ./.github/actions/load-go-version
-
       - name: Set up Go
         if: steps.check-docs.outputs.changed == 'true'
         uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c