Update taiki-e/install-action digest to 849bd00 (#337)

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@9545a0634ccdca487a09cde61d362f0bc5fb5df9 # v2
+        uses: taiki-e/install-action@849bd009f730a24e9db18262f4e9f062591dee39 # v2
         with:
           tool: cargo-readme
       - name: Run cargo readme