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

Author: renovate-bot

package.json

@@ -57,7 +57,7 @@
     "eslint-plugin-import": "2.20.1",
     "jest": "25.4.0",
     "prettier": "1.19.1",
-    "standard-version": "7.1.0",
+    "standard-version": "8.0.1",
     "supertest": "4.0.2",
     "ts-jest": "25.2.1",
     "ts-loader": "6.2.1",