chore(config): migrate Renovate config (#16237)

Author: renovate-bot

.github/renovate.json

@@ -4,51 +4,41 @@
     "docker:disable",
     "schedule:weekdays"
   ],
-  "python": {
-    "enabled": false
-  },
-  "baseBranches": ["main"],
-  "regexManagers": [
+  "baseBranchPatterns": [
+    "main"
+  ],
+  "customManagers": [
     {
-      "fileMatch": [
-        ".*\\.Dockerfile$",
-        ".*doc/packaging\\.md$",
-        ".github/workflows/*\\.yml$"
-      ],
-      "matchStrings": [
-        "https://github\\.com/(?<depName>.*?)/archive/(?<currentValue>.*?)\\.tar\\.gz",
-        "https://github\\.com/(?<depName>.*?)/releases/download/(?<currentValue>[^/]+)/bazelisk-linux-",
-        "https://github\\.com/(?<depName>.*?)/releases/download/(?<currentValue>[^/]+)/.*-x86_64-unknown-linux-musl.tar.gz"
-      ],
+      "customType": "regex",
+      "managerFilePatterns": ["/.*\\.Dockerfile$/", "/.*doc/packaging\\.md$/", "/.github/workflows/.*\\.yml$/"],
+      "matchStrings": ["https://github\\.com/(?<depName>.*?)/archive/(?<currentValue>.*?)\\.tar\\.gz", "https://github\\.com/(?<depName>.*?)/releases/download/(?<currentValue>[^/]+)/bazelisk-linux-", "https://github\\.com/(?<depName>.*?)/releases/download/(?<currentValue>[^/]+)/.*-x86_64-unknown-linux-musl.tar.gz"],
       "datasourceTemplate": "github-releases",
       "versioningTemplate": "loose"
     },
     {
-      "fileMatch": [
-        "^ci/cloudbuild/builds/lib/bazel.sh$",
-        "^ci/gha/builds/lib/bazel.sh$"
-      ],
-      "matchStrings": [
-        "{USE_BAZEL_VERSION:=\"(?<currentValue>.*?)\"}",
-        "\\$Env:USE_BAZEL_VERSION=\"(?<currentValue>.*?)\""
-      ],
+      "customType": "regex",
+      "managerFilePatterns": ["/^ci/cloudbuild/builds/lib/bazel.sh$/", "/^ci/gha/builds/lib/bazel.sh$/"],
+      "matchStrings": ["{USE_BAZEL_VERSION:=\"(?<currentValue>.*?)\"}", "\\$Env:USE_BAZEL_VERSION=\"(?<currentValue>.*?)\""],
       "datasourceTemplate": "github-releases",
       "depNameTemplate": "bazelbuild/bazel",
       "versioningTemplate": "loose"
     },
     {
-      "fileMatch": [
-        "ci/etc/vcpkg-version.txt$"
-      ],
-      "matchStrings": [
-        "^(?<currentValue>[0-9]{4}\\.[0-9]{2}\\.[0-9]{2})$"
-      ],
+      "customType": "regex",
+      "managerFilePatterns": ["/ci/etc/vcpkg-version.txt$/"],
+      "matchStrings": ["^(?<currentValue>[0-9]{4}\\.[0-9]{2}\\.[0-9]{2})$"],
       "datasourceTemplate": "github-releases",
       "depNameTemplate": "microsoft/vcpkg",
       "versioningTemplate": "loose"
     }
   ],
   "packageRules": [
+    {
+      "matchCategories": [
+        "python"
+      ],
+      "enabled": false
+    },
     {
       "matchPackageNames": ["com_google_absl", "abseil/abseil-cpp", "abseil-cpp"],
       "groupName": "Abseil",