Merge pull request #963 from product-os/renovate/ghcr.io-product-os-self-hosted-runners-6.12.x

Update ghcr.io/product-os/self-hosted-runners Docker tag to v6.12.88

Author: balena-renovate[bot]

docker-compose.yml

@@ -43,7 +43,7 @@ services:
 
   runner-container-1:
     <<: *runner-container
-    image: ghcr.io/product-os/self-hosted-runners:6.12.87-noble
+    image: ghcr.io/product-os/self-hosted-runners:6.12.88-noble
     volumes:
       # Use a volume for the runner root filesystem
       # See https://github.com/product-os/self-hosted-runners/pull/501