Update ghcr.io/cloudnative-pg/postgresql Docker tag to v18

renovate.json

@@ -24,6 +24,21 @@
         }
       ]
     },
+    {
+      "description": "Automerge chart digest",
+      "matchUpdateTypes": ["digest"],
+      "matchDatasources": ["helm"],
+      "addLabels": ["chart", "automerge"],
+      "automerge": true,
+      "minimumReleaseAge": "1 days",
+      "bumpVersions": [
+        {
+          "filePatterns": ["{{packageFileDir}}/Chart.{yaml,yml}"],
+          "matchStrings": ["version:\\s(?<version>[^\\s]+)"],
+          "bumpType": "patch"
+        }
+      ]
+    },
     {
       "description": "Label images",
       "matchDatasources": ["docker"],
@@ -38,18 +53,17 @@
       ]
     },
     {
-      "description": "Automerge generic-device-plugin image on digest",
+      "description": "CNPG image",
+      "matchDepNames": ["ghcr.io/cloudnative-pg/postgresql"],
       "matchDatasources": ["docker"],
-      "matchDepNames": ["ghcr.io/squat/generic-device-plugin"],
-      "matchUpdateTypes": ["digest"],
-      "addLabels": ["image", "automerge"],
-      "automerge": true,
-      "minimumReleaseAge": "1 days",
+      "addLabels": ["image"],
+      "matchUpdateTypes": ["major", "minor"],
+      "automerge": false,
       "bumpVersions": [
         {
           "filePatterns": ["{{packageFileDir}}/Chart.{yaml,yml}"],
           "matchStrings": ["version:\\s(?<version>[^\\s]+)"],
-          "bumpType": "patch"
+          "bumpType": "{{#if isPatch}}patch{{else}}minor{{/if}}"
         }
       ]
     }