fix(ci): remove --tag alpha from vp upgrade in CI (#1009)

Author: fengmk2

.github/workflows/ci.yml

@@ -417,7 +417,7 @@ jobs:
           vp upgrade --check
 
           # full upgrade: download, extract, swap
-          vp upgrade --tag alpha --force
+          vp upgrade --force
           vp --version
           vp env doctor
 
@@ -463,7 +463,7 @@ jobs:
           vp upgrade --check
 
           # full upgrade: download, extract, swap
-          vp upgrade --tag alpha --force
+          vp upgrade --force
           vp --version
           vp env doctor
 
@@ -502,7 +502,7 @@ jobs:
           vp upgrade --check
 
           REM full upgrade: download, extract, swap
-          vp upgrade --tag alpha --force
+          vp upgrade --force
           vp --version
           vp env doctor