Bump @babel/core from 7.7.4 to 7.29.7

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.7.4 to 7.29.7.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.29.7/packages/babel-core)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-version: 7.29.7
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
           - windows-2025-vs2026
     runs-on: ${{ matrix.runner }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
 
       - name: Setup MSBuild (vswhere-path)
         id: setup_msbuild_explicit