Bump up UI version to v2.4.0 (#15174)

Signed-off-by: AllForNothing <sshijun@vmware.com>

.github/workflows/CI.yml

@@ -332,7 +332,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v1
         with:
-          node-version: '15.14.0'
+          node-version: '16'
       - uses: actions/checkout@v2
         with:
           path: src/github.com/goharbor/harbor

CONTRIBUTING.md

@@ -185,6 +185,8 @@ Harbor web UI is built based on [Clarity](https://vmware.github.io/clarity/) and
 |   2.0    |      8.2.0         |       2.3.8        |
 |   2.1    |      8.2.0         |       2.3.8        |
 |   2.2    |      10.1.2        |       4.0.2        |
+|   2.3    |      10.1.2        |       4.0.2        |
+|   2.4    |      12.0.3        |       5.3.0        |
 
 To run the Web UI code, please refer to the UI [start](https://github.com/goharbor/harbor/blob/master/src/portal/README.md) guideline.
 

src/portal/package.json

@@ -1,6 +1,6 @@
 {
   "name": "harbor",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "description": "Harbor UI with Clarity",
   "angular-cli": {},
   "scripts": {