fix: use npm registry for autotest install

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: wenytang-ms

.github/workflows/linuxUI.yml

@@ -45,7 +45,7 @@ jobs:
       run: vsce package -o vscode-java-dependency.vsix
 
     - name: Setup autotest
-      run: npm install -g github:wenytang-ms/javaext-autotest
+      run: npm install -g @vscjava/vscode-autotest
 
     - name: E2E Test (autotest)
       run: |

.github/workflows/windowsUI.yml

@@ -45,7 +45,7 @@ jobs:
       run: vsce package -o vscode-java-dependency.vsix
 
     - name: Setup autotest
-      run: npm install -g github:wenytang-ms/javaext-autotest
+      run: npm install -g @vscjava/vscode-autotest
 
     - name: E2E Test (autotest)
       run: |