chore(renovate): update test dependencies (#1020)

* chore(renovate): update test dependencies

* chore(renovate): move config under `.github`

* chore(renovate): remove unneeded Ruff changelog URL

`ruff-pre-commit` releases already link to `ruff` changelog.

* chore(renovate): use non-deprecated GH Actions preset

* ci: use new path for `renovate.json5`

renovate.json5 → .github/renovate.json5

@@ -18,8 +18,16 @@
     // https://docs.renovatebot.com/presets-default/#rebasestaleprs
     ":rebaseStalePrs",
 
-    // https://docs.renovatebot.com/presets-regexManagers/#regexmanagersgithubactionsversions
-    "regexManagers:githubActionsVersions",
+    // https://docs.renovatebot.com/presets-customManagers/#custommanagersgithubactionsversions
+    "customManagers:githubActionsVersions",
+  ],
+
+  // https://docs.renovatebot.com/configuration-options/#ignorepresets
+  ignorePresets: [
+    // https://docs.renovatebot.com/presets-default/#ignoremodulesandtests
+    // By default, some directories, including "tests", are ignored. Since we do want Renovate to pick up dependencies
+    // in "tests" directory, we explicitly opt out from this preset.
+    ":ignoreModulesAndTests",
   ],
 
   // https://docs.renovatebot.com/configuration-options/#labels
@@ -43,12 +51,20 @@
   // https://docs.renovatebot.com/configuration-options/#packagerules
   packageRules: [
     {
-      matchPackageNames: ["uv", "astral-sh/uv-pre-commit"],
-      groupName: "uv-version",
+      // Create dedicated branch to update dependencies in tests.
+      matchFileNames: ["tests/**"],
+      commitMessageTopic: "dependencies in tests",
+      semanticCommitType: "test",
+      semanticCommitScope: null,
+      additionalBranchPrefix: "tests-",
+      groupName: "all test dependencies",
+      groupSlug: "all-test-dependencies",
+      separateMajorMinor: false,
+      automerge: true,
     },
     {
-      matchPackageNames: ["astral-sh/ruff-pre-commit"],
-      customChangelogUrl: "https://github.com/astral-sh/ruff",
+      matchPackageNames: ["uv", "astral-sh/uv-pre-commit"],
+      groupName: "uv-version",
     },
   ],
 }

.github/workflows/validate-renovate-config.yml

@@ -4,7 +4,7 @@ on:
   pull_request:
     paths:
       - ".github/workflows/validate-renovate-config.yml"
-      - "renovate.json5"
+      - ".github/renovate.json5"
   push:
     branches: [main]