fix(renovate): replace managerFilePatterns with fileMatch

renovate.json

@@ -23,7 +23,9 @@
     },
     {
       "customType": "regex",
-      "fileMatch": ["^README\\.md$"],
+      "fileMatch": [
+        "^README\\.md$"
+      ],
       "matchStrings": [
         "CHART_VERSION=(?<currentValue>.*)"
       ],
@@ -35,8 +37,8 @@
     {
       "customType": "regex",
       "datasourceTemplate": "github-releases",
-      "managerFilePatterns": [
-        "/.vscode/settings\\.json$/"
+      "fileMatch": [
+        ".vscode/settings\\.json$"
       ],
       "matchStrings": [
         "https:\\/\\/raw\\.githubusercontent\\.com\\/(?<depName>[^\\s]+?)\\/(?<currentValue>v[0-9.]+?)\\/schema\\/helm-testsuite\\.json"
@@ -111,4 +113,4 @@
     ],
     "executionMode": "update"
   }
-}
+}