Update all patch updates (#559)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -38,7 +38,7 @@
     "@openzeppelin/upgrades": "2.8.0",
     "bignumber.js": "9.0.1",
     "ethereum-waffle": "2.5.1",
-    "ethereumjs-util": "7.0.5",
+    "ethereumjs-util": "7.0.6",
     "hardlydifficult-eth": "1.1.3",
     "hardlydifficult-ethereum-contracts": "0.11.1",
     "papaparse": "5.3.0",
@@ -61,7 +61,7 @@
     "ganache-cli": "6.11.0",
     "mocha-lcov-reporter": "1.3.0",
     "prettier": "2.1.2",
-    "solidity-coverage": "0.7.10",
-    "truffle": "5.1.47"
+    "solidity-coverage": "0.7.11",
+    "truffle": "5.1.48"
   }
 }