Bump taiki-e/install-action from 2.68.26 to 2.68.34 in the actions group

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


Updates `taiki-e/install-action` from 2.68.26 to 2.68.34
- [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@64c5c20...de6bbd1)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-version: 2.68.34
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/coverage.yml

@@ -25,7 +25,7 @@ jobs:
 
       - run: rustup toolchain install stable --profile minimal --component llvm-tools-preview --no-self-update
 
-      - uses: taiki-e/install-action@64c5c20c872907b6f7cd50994ac189e7274160f2 # v2.68.26
+      - uses: taiki-e/install-action@de6bbd1333b8f331563d54a051e542c7dfef81c3 # v2.68.34
         with:
           tool: cargo-llvm-cov