Update taiki-e/install-action digest to 0c5db7f (#331)

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@57511bcdf8cdb0eab6448cb7fa632952d9f25742 # v2
+        uses: taiki-e/install-action@0c5db7f7f897c03b771660e91d065338615679f4 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme