[debug] Download vscode debug extensions from elsewhere

This patch downloads the Java debug adapter from
the component's GH releases and node-debug /
node-debug2 from our fork of these components,
since the .vsix files are not available from
upstream repos releases.

Fixes #6111

Signed-off-by: Marc Dumais <marc.dumais@ericsson.com>

packages/debug-nodejs/package.json

@@ -49,7 +49,7 @@
     "extends": "../../configs/nyc.json"
   },
   "adapters": {
-    "node-debug": "https://ms-vscode.gallery.vsassets.io/_apis/public/gallery/publisher/ms-vscode/extension/node-debug/1.35.3/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage",
-    "node-debug2": "https://ms-vscode.gallery.vsassets.io/_apis/public/gallery/publisher/ms-vscode/extension/node-debug2/1.33.0/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage"
+    "node-debug": "https://github.com/theia-ide/vscode-node-debug/releases/download/v1.35.3/node-debug-1.35.3.vsix",
+    "node-debug2": "https://github.com/theia-ide/vscode-node-debug2/releases/download/v1.33.0/node-debug2-1.33.0.vsix"
   }
 }

packages/java-debug/package.json

@@ -50,6 +50,6 @@
     "extends": "../../configs/nyc.json"
   },
   "adapters": {
-    "java-debug": "https://ms-vscode.gallery.vsassets.io/_apis/public/gallery/publisher/vscjava/extension/vscode-java-debug/0.15.0/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage"
+    "java-debug": "https://github.com/microsoft/vscode-java-debug/releases/download/0.15.0/vscode-java-debug-0.15.0.vsix"
   }
 }