chore: update deps

Author: patrickmichalina

package-lock.json

@@ -36,10 +36,10 @@
     "@types/fs-extra": "^9.0.11",
     "@types/jest": "^26.0.23",
     "@types/node": "^15.0.2",
-    "@typescript-eslint/eslint-plugin": "^4.22.1",
-    "@typescript-eslint/parser": "^4.22.1",
+    "@typescript-eslint/eslint-plugin": "^4.23.0",
+    "@typescript-eslint/parser": "^4.23.0",
     "codecov": "^3.8.2",
-    "eslint": "^7.25.0",
+    "eslint": "^7.26.0",
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-rxjs": "3.3.0",
     "fast-check": "^2.14.0",
@@ -54,9 +54,6 @@
     "ts-node": "^9.1.1",
     "typescript": "^4.2.4"
   },
-  "optionalDependencies": {
-    "rxjs": "^6"
-  },
   "jest": {
     "testURL": "http://localhost",
     "collectCoverage": true,