build: update dependency gulp-babel to v8

Author: renovate-bot

package.json

@@ -19,7 +19,7 @@
     "del": "3.0.0",
     "fetch-mock": "6.5.2",
     "gulp": "3.9.1",
-    "gulp-babel": "7.0.1",
+    "gulp-babel": "8.0.0",
     "gulp-rename": "1.4.0",
     "gulp-sourcemaps": "2.6.4",
     "gulp-typescript": "4.0.2",

yarn.lock

@@ -3572,12 +3572,12 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
-gulp-babel@7.0.1:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/gulp-babel/-/gulp-babel-7.0.1.tgz#b9c8e29fa376b36c57989db820fc1c1715bb47cb"
+gulp-babel@8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/gulp-babel/-/gulp-babel-8.0.0.tgz#e0da96f4f2ec4a88dd3a3030f476e38ab2126d87"
   dependencies:
     plugin-error "^1.0.1"
-    replace-ext "0.0.1"
+    replace-ext "^1.0.0"
     through2 "^2.0.0"
     vinyl-sourcemaps-apply "^0.2.0"