Add renovate.json

.woodpecker/matrix-media-repo.yaml

@@ -12,7 +12,7 @@ steps:
     image: alpine/git
     commands:
       - git clone https://github.com/turt2live/matrix-media-repo.git .
-      - git checkout c98a513
+      - git checkout v1.3.4
   docker:
     image: woodpeckerci/plugin-docker-buildx
     secrets: [docker_username, docker_password]

renovate.json

@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}