Pin dependency husky to v6.0.0

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
 		"gulp-replace": "1.1.3",
 		"gulp-shell": "0.8.0",
 		"gulp-uglify": "3.0.2",
-		"husky": "^6.0.0",
+		"husky": "6.0.0",
 		"lint-staged": "13.0.3",
 		"mocha": "10.0.0",
 		"mocha.parallel": "0.15.6",