Update taiki-e/install-action digest to dd154ff (#277)

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@cfe1303741c2e620e5f7daa667105e0da1316db9 # v2
+        uses: taiki-e/install-action@dd154fff2f898f480894c915c12aa8782e93c71b # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme