chore(config): migrate config .github/renovate.json5 (#710)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/renovate.json5

@@ -98,20 +98,24 @@
       ],
     },
     {
-      "matchUpdateTypes": ["patch"],
-      "automerge": true
+      matchUpdateTypes: [
+        'patch',
+      ],
+      automerge: true,
     },
     {
-      "matchUpdateTypes": ["minor"],
-      "matchCurrentVersion": "!/^0/",
-      "automerge": true
+      matchUpdateTypes: [
+        'minor',
+      ],
+      matchCurrentVersion: '!/^0/',
+      automerge: true,
     },
   ],
   customManagers: [
     {
       customType: 'regex',
-      fileMatch: [
-        '^rust-toolchain(\\.toml)?$',
+      managerFilePatterns: [
+        '/^rust-toolchain(\\.toml)?$/',
       ],
       matchStrings: [
         'channel\\s*=\\s*"(?<currentValue>\\d+\\.\\d+\\.\\d+)"',