Update endgame notebook milestones (microsoft#158844)

Author: mjbvz

.vscode/notebooks/my-work.github-issues

@@ -7,7 +7,7 @@
   {
     "kind": 2,
     "language": "github-issues",
-    "value": "// list of repos we work in\n$repos=repo:microsoft/vscode repo:microsoft/vscode-remote-release repo:microsoft/vscode-js-debug repo:microsoft/vscode-pull-request-github repo:microsoft/vscode-github-issue-notebooks repo:microsoft/vscode-internalbacklog repo:microsoft/vscode-dev repo:microsoft/vscode-unpkg repo:microsoft/vscode-references-view repo:microsoft/vscode-anycode repo:microsoft/vscode-hexeditor repo:microsoft/vscode-extension-telemetry repo:microsoft/vscode-livepreview repo:microsoft/vscode-remotehub repo:microsoft/vscode-settings-sync-server repo:microsoft/vscode-remote-repositories-github repo:microsoft/monaco-editor repo:microsoft/vscode-vsce\n\n// current milestone name\n$milestone=milestone:\"July 2022\""
+    "value": "// list of repos we work in\n$repos=repo:microsoft/vscode repo:microsoft/vscode-remote-release repo:microsoft/vscode-js-debug repo:microsoft/vscode-pull-request-github repo:microsoft/vscode-github-issue-notebooks repo:microsoft/vscode-internalbacklog repo:microsoft/vscode-dev repo:microsoft/vscode-unpkg repo:microsoft/vscode-references-view repo:microsoft/vscode-anycode repo:microsoft/vscode-hexeditor repo:microsoft/vscode-extension-telemetry repo:microsoft/vscode-livepreview repo:microsoft/vscode-remotehub repo:microsoft/vscode-settings-sync-server repo:microsoft/vscode-remote-repositories-github repo:microsoft/monaco-editor repo:microsoft/vscode-vsce\n\n// current milestone name\n$milestone=milestone:\"August 2022\""
   },
   {
     "kind": 1,