Bump taiki-e/install-action from v2.79.15 to v2.80.0 in /.github/workflows (#206)

Author: UltralyticsAssistant

.github/workflows/ci.yml

@@ -199,7 +199,7 @@ jobs:
         run: rustup show
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@0fd46367812ee04360509b4169d9f659d6892bb2 # v2.79.15
+        uses: taiki-e/install-action@50b4a718b59c718df4ef27a3b445f86cd57b9f00 # v2.80.0
         with:
           tool: cargo-llvm-cov