chore(deps): update dependency standard-version to v8 [security]

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "lint-staged": "^9.2.0",
     "prettier": "^1.18.2",
     "prettier-config-1stg": "^0.1.0",
-    "standard-version": "^6.0.1",
+    "standard-version": "^8.0.0",
     "ts-jest": "^24.0.2",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"