[fuzzing] compile contracts before invoking docker

Ensures that `npm run fuzz` will succeed whether or
not the contracts were compiled beforehand.

fuzzing/fuzz.sh

@@ -8,6 +8,7 @@ if command -v echidna-test; then
     echidna-test ${root} \
       --config ${root}/fuzzing/echidna.yaml \
       --corpus-dir ${root}/fuzzing/corpus \
+      --crytic-args --ignore-compile \
       --contract $1
   }
 else

package.json

@@ -3,7 +3,7 @@
   "license": "MIT",
   "scripts": {
     "test": "npm run lint && hardhat test",
-    "fuzz": "fuzzing/fuzz.sh",
+    "fuzz": "hardhat compile && fuzzing/fuzz.sh",
     "start": "hardhat node --export deployment-localhost.json",
     "compile": "hardhat compile",
     "format": "prettier --write contracts/**/*.sol test/**/*.js",