chore: fix renovate config, add recommended preset (#418)

Signed-off-by: Moritz Wiesinger <moritz.wiesinger@dynatrace.com>

renovate.json

@@ -1,7 +1,8 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
-    "config:base"
+    "config:base",
+    "group:recommended"
   ],
   "semanticCommits": "enabled",
   "labels": [
@@ -17,30 +18,42 @@
       "^config/default/.*-patch\\.yaml$"
     ]
   },
+  "packageRules": [
+    {
+      "matchDepPatterns": [
+        "^.*open-feature/flagd.*$"
+      ],
+      "groupName": "open-feature/flagd"
+    }
+  ],
   "regexManagers": [
     {
-      "fileMatch": ["^apis/core/**/flagsourceconfiguration_types.go$"],
+      "fileMatch": ["^apis/core/.*/flagsourceconfiguration_types.go$"],
       "matchStrings": ["defaultTag\\s*string\\s*= \"(?<currentValue>.*?)\"\\n"],
       "depNameTemplate": "open-feature/flagd",
-      "datasourceTemplate": "github-releases"
+      "datasourceTemplate": "github-releases",
+      "extractVersionTemplate": "^flagd/(?<version>.*)$"
     },
     {
       "fileMatch": ["^chart/open-feature-operator/values.yaml$"],
       "matchStrings": ["repository: \"ghcr\\.io\/open-feature\/flagd\"\\n\\s*tag: (?<currentValue>.*?)\\n"],
       "depNameTemplate": "open-feature/flagd",
-      "datasourceTemplate": "github-releases"
+      "datasourceTemplate": "github-releases",
+      "extractVersionTemplate": "^flagd/(?<version>.*)$"
     },
     {
       "fileMatch": ["^chart/open-feature-operator/README.md$"],
       "matchStrings": ["current flagd version: \\`(?<currentValue>.*?)\\`"],
       "depNameTemplate": "open-feature/flagd",
-      "datasourceTemplate": "github-releases"
+      "datasourceTemplate": "github-releases",
+      "extractVersionTemplate": "^flagd/(?<version>.*)$"
     },
     {
       "fileMatch": ["^docs/getting_started.md$"],
       "matchStrings": ["ghcr\\.io\\/open-feature\\/flagd:(?<currentValue>.*?)\\n"],
       "depNameTemplate": "open-feature/flagd",
-      "datasourceTemplate": "github-releases"
+      "datasourceTemplate": "github-releases",
+      "extractVersionTemplate": "^flagd/(?<version>.*)$"
     }
   ]