github: bump taiki-e/install-action in the github-dependencies group

Bumps the github-dependencies group with 1 update: [taiki-e/install-action](https://github.com/taiki-e/install-action).


Updates `taiki-e/install-action` from 2.48.1 to 2.48.6
- [Release notes](https://github.com/taiki-e/install-action/releases)
- [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md)
- [Commits](taiki-e/install-action@510b3ec...5bc300a)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yml

@@ -81,7 +81,7 @@ jobs:
       uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
       with:
         toolchain: 1.76
-    - uses: taiki-e/install-action@510b3ecd7915856b6909305605afa7a8a57c1b04
+    - uses: taiki-e/install-action@5bc300ae6202155e070ca83afb334e8aac18c49c
       with:
         tool: nextest
     - name: Build