Update taiki-e/install-action digest to ad95d4e (#317)

Author: nextest-bot

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Lint (rustfmt)
         run: cargo xfmt --check
       - name: Install cargo readme
-        uses: taiki-e/install-action@f0dfbb6a9af5958db1a40c08b3bc0c8755da46bb # v2
+        uses: taiki-e/install-action@ad95d4e02e061d4390c4b66ef5ed56c7fee3d2ce # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme