chore(deps): pin dependencies

Author: renovate-bot

package.json

@@ -105,8 +105,8 @@
     "@types/sinon": "7.5.1",
     "@types/socket.io": "2.1.4",
     "@types/ws": "7.2.0",
-    "@typescript-eslint/eslint-plugin": "^2.17.0",
-    "@typescript-eslint/parser": "^2.17.0",
+    "@typescript-eslint/eslint-plugin": "2.17.0",
+    "@typescript-eslint/parser": "2.17.0",
     "artillery": "1.6.0-29",
     "awesome-typescript-loader": "5.2.1",
     "body-parser": "1.19.0",
@@ -121,9 +121,9 @@
     "coveralls": "3.0.9",
     "csv-write-stream": "2.0.0",
     "delete-empty": "3.0.0",
-    "eslint": "^6.8.0",
-    "eslint-config-prettier": "^6.9.0",
-    "eslint-plugin-import": "^2.20.0",
+    "eslint": "6.8.0",
+    "eslint-config-prettier": "6.9.0",
+    "eslint-plugin-import": "2.20.0",
     "fancy-log": "1.3.3",
     "fastify-static": "2.5.1",
     "gulp": "4.0.1",