chore(deps): update taiki-e/install-action digest to a2e9aff (#296)

Author: nextest-bot

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Lint (rustfmt)
         run: cargo xfmt --check
       - name: Install cargo readme
-        uses: taiki-e/install-action@510b3ecd7915856b6909305605afa7a8a57c1b04 # v2
+        uses: taiki-e/install-action@a2e9aff0dd6be615d6b832e1f2b409d7c7d1d8c2 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
       - name: Install cargo release
-        uses: taiki-e/install-action@510b3ecd7915856b6909305605afa7a8a57c1b04 # v2
+        uses: taiki-e/install-action@a2e9aff0dd6be615d6b832e1f2b409d7c7d1d8c2 # v2
         with:
           tool: [email protected]
       - uses: taiki-e/create-gh-release-action@b7abb0cf5e72cb5500307b577f9ca3fd4c5be9d2 # v1