chore(deps): update dependency cargo-llvm-cov to v0.6.14

.github/workflows/ci.yaml

@@ -72,7 +72,7 @@ jobs:
       - name: Install development tools
         uses: taiki-e/install-action@58a3efb22c892c0e7d722787ab604b97b62ac694
         with:
-          tool: [email protected].13, [email protected]
+          tool: [email protected].14, [email protected]
       - name: Create directories
         run: mkdir -p target/llvm-cov/lcov
       - name: Generate code coverage