chore(deps): pin dependencies (#52)

Author: renovate[bot]

package.json

@@ -22,13 +22,13 @@
     "@types/jest": "24.0.18",
     "@types/node": "11.13.19",
     "cz-conventional-changelog": "3.0.2",
-    "husky": "^3.0.4",
+    "husky": "3.0.4",
     "jest": "24.9.0",
-    "lint-staged": "^9.2.3",
+    "lint-staged": "9.2.3",
     "prettier": "1.18.2",
     "reflect-metadata": "0.1.13",
-    "rxjs-marbles": "^5.0.2",
-    "semantic-release": "^15.13.21",
+    "rxjs-marbles": "5.0.2",
+    "semantic-release": "15.13.21",
     "ts-jest": "24.0.2",
     "tsc-watch": "2.4.0",
     "typescript": "3.5.3",