feat(renovate): add manual run pipeline and sync configs

renovate-run workflow_dispatch runs pinned renovate via docker on self-hosted runner. Sync helm-values manager into config.js/configmap, bump compose and validator pins to 44.97.2.

.gitea/workflows/renovate-run.yaml

@@ -0,0 +1,52 @@
+name: renovate-run
+
+on:
+  workflow_dispatch:
+    inputs:
+      repositories:
+        description: "Repositories to scan (comma-separated)"
+        required: false
+        default: "forust/homelab"
+      log_level:
+        description: "Renovate log level"
+        required: false
+        default: "info"
+        type: choice
+        options:
+          - info
+          - debug
+
+concurrency:
+  group: renovate-run
+  cancel-in-progress: false
+
+jobs:
+  run-renovate:
+    runs-on: [self-hosted, linux, arch, homelab]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run Renovate
+        shell: bash
+        env:
+          RENOVATE_TOKEN: ${{ secrets.RENOVATE_TOKEN }}
+          RENOVATE_GITHUB_COM_TOKEN: ${{ secrets.RENOVATE_GITHUB_COM_TOKEN }}
+          RENOVATE_REPOSITORIES: ${{ inputs.repositories }}
+          LOG_LEVEL: ${{ inputs.log_level }}
+        run: |
+          set -euo pipefail
+
+          : "${RENOVATE_TOKEN:?missing RENOVATE_TOKEN secret — add a renovate-bot PAT in repo/org Actions secrets}"
+
+          docker run --rm \
+            -v "$PWD/renovate/config.js:/opt/renovate/config.js:ro" \
+            -e RENOVATE_PLATFORM=gitea \
+            -e RENOVATE_ENDPOINT=https://gitea.forust.xyz/api/v1 \
+            -e RENOVATE_TOKEN="$RENOVATE_TOKEN" \
+            -e RENOVATE_GITHUB_COM_TOKEN="${RENOVATE_GITHUB_COM_TOKEN:-}" \
+            -e RENOVATE_REPOSITORIES="${RENOVATE_REPOSITORIES:-forust/homelab}" \
+            -e RENOVATE_CONFIG_FILE=/opt/renovate/config.js \
+            -e RENOVATE_BASE_DIR=/tmp/renovate \
+            -e LOG_LEVEL="${LOG_LEVEL:-info}" \
+            renovate/renovate:44.97.2