update my-work notebook

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

@@ -7,11 +7,11 @@
   {
     "kind": 2,
     "language": "github-issues",
-    "value": "// list of repos we work in\n$repos=repo:microsoft/vscode repo:microsoft/vscode-remote-release repo:microsoft/vscode-js-debug repo:microsoft/vscode-pull-request-github repo:microsoft/vscode-github-issue-notebooks repo:microsoft/vscode-internalbacklog\n\n// current milestone name\n$milestone=milestone:\"May 2021\""
+    "value": "// list of repos we work in\n$repos=repo:microsoft/vscode repo:microsoft/vscode-remote-release repo:microsoft/vscode-js-debug repo:microsoft/vscode-pull-request-github repo:microsoft/vscode-github-issue-notebooks repo:microsoft/vscode-internalbacklog\n\n// current milestone name\n$milestone=milestone:\"June 2021\""
   },
   {
     "kind": 1,
-    "language": "github-issues",
+    "language": "markdown",
     "value": "## Milestone Work"
   },
   {
@@ -21,7 +21,7 @@
   },
   {
     "kind": 1,
-    "language": "github-issues",
+    "language": "markdown",
     "value": "## Bugs, Debt, Features..."
   },
   {