fix: upgrade gulp-replace from 0.5.4 to 0.6.1

Snyk has created this PR to upgrade gulp-replace from 0.5.4 to 0.6.1.

See this package in npm:
https://www.npmjs.com/package/gulp-replace

See this project in Snyk:
https://app.snyk.io/org/nexuscompute/project/61b026bd-7498-48dc-a9b7-72a021d779c3?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -8,7 +8,7 @@
     "gulp-connect": "5.5.0",
     "gulp-if": "^2.0.0",
     "gulp-minify-css": "^1.2.1",
-    "gulp-replace": "^0.5.4",
+    "gulp-replace": "^0.6.1",
     "gulp-sass": "^2.0.4",
     "gulp-uglify": "^1.4.2",
     "js-yaml": "^3.4.3"