build(deps): bump taiki-e/install-action from 2.56.13 to 2.68.2 (#1713)

Bumps [taiki-e/install-action](https://github.com/taiki-e/install-action) from 2.56.13 to 2.68.2.
- [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@c07504c...70e0055)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-version: 2.68.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     - name: Installing the toolchain
       run: make toolchain
     - name: Install cargo-nextest
-      uses: taiki-e/install-action@c07504cae06f832dc8de08911c9a9c5cddb0d2d3 # v2.56.13
+      uses: taiki-e/install-action@70e00552f3196d9a4c7dde7c57ef4c4830d422dd # v2.68.2
       with:
         tool: cargo-nextest
     - name: Running tests