Update crytic/slither-action action to v0.4.2

Author: renovate[bot]

.github/workflows/slither.yaml

@@ -21,7 +21,7 @@ jobs:
         run: npx hardhat compile --force
 
       - name: Run Slither
-        uses: crytic/slither-action@v0.3.2
+        uses: crytic/slither-action@b52cc1cbfee9ca3e8722dd5224299d16c9a6b80f # v0.4.2
         id: slither
         with:
           fail-on: high