ci: Set up renovate manager for versions.yaml

renovate.json

@@ -2,5 +2,14 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:base"
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "fileMatch": ["^versions.yaml$"],
+      "matchStrings": [
+        "datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)\\n.*?\"(?<currentValue>.*)\"\\n"
+      ]
+    }
   ]
 }

versions.yaml

@@ -1,6 +1,10 @@
 cnpg:
+  # renovate: datasource=docker depName=ghcr.io/cloudnative-pg/postgresql
   - "14.10"
+  # renovate: datasource=docker depName=ghcr.io/cloudnative-pg/postgresql
   - "15.5"
+  # renovate: datasource=docker depName=ghcr.io/cloudnative-pg/postgresql
   - "16.1"
 pgvectors:
+  # renovate: datasource=github-releases depName=tensorchord/pgvecto.rs
   - "v0.1.11"