Bump versions [skip ci]

core-build/gulp-core-build-webpack/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@microsoft/gulp-core-build-webpack",
-  "version": "5.3.1",
+  "version": "5.4.0",
   "description": "",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",

core-build/web-library-build/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@microsoft/web-library-build",
-  "version": "7.6.2",
+  "version": "7.6.3",
   "description": "",
   "license": "MIT",
   "engines": {