fix(deps): move nock to devDependencies (#21)

Author: jetersen

package-lock.json

@@ -25,11 +25,11 @@
   "devDependencies": {
     "@types/jest": "^26.0.20",
     "jest": "^26.6.3",
+    "nock": "^13.0.7",
     "prettier": "^2.2.1"
   },
   "dependencies": {
     "@actions/core": "^1.2.6",
-    "nock": "^13.0.7",
     "pino": "^6.11.0",
     "probot": "^11.0.6",
     "through2": "^4.0.2"