⬆️ upgrade gulp-zip so that generated zip artifacts are properly unzippable on !win32

Author: fluffynuts

package-lock.json

@@ -29,7 +29,7 @@
   "homepage": "https://github.com/fluffynuts/logging-log4net#readme",
   "devDependencies": {
     "cross-env": "^7.0.2",
-    "gulp-zip": "^5.0.1",
+    "gulp-zip": "^5.0.2",
     "npm-run-all": "^4.1.5",
     "rimraf": "^3.0.2",
     "simple-git": "^2.20.1",