renovate via k8s cronjob now

Signed-off-by: Martyn Ranyard <m@rtyn.berlin>

.forgejo/workflows/renovate.yaml

@@ -1,38 +0,0 @@
-on:
-  #  workflow_dispatch:
-  #  inputs:
-  #    number1_default:
-  #      description: "Number with default"
-  #      required: false
-  #      default: 100
-  #schedule:
-  #- cron: "3 3 * * *"
-  push:
-    branches:
-    - 'main'
-
-jobs:
-  renovate:
-    runs-on: docker
-    container: catthehacker/ubuntu:act-latest
-    env:
-      RENOVATE_PLATFORM: 'gitea'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4.2.0
-      - name: Create Kubeconfig
-        run: |
-          mkdir $HOME/.kube
-          echo "${{ secrets.KUBECONFIG_BUILDX }}" > $HOME/.kube/config          
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        with:
-          driver: kubernetes
-          driver-opts: |
-            namespace=git
-            qemu.install=false       
-      - name: Self-hosted Renovate
-        uses: https://github.com/renovatebot/github-action@v40.2.10
-        with:
-          renovate-version: 38.101.1
-          token: ${{ secrets.RENOVATE_PAT }}