Add changeset to republish VSCode extensions

The previous release attempted to publish these extensions but failed
(`vsce:publish` errored, which short-circuited `open-vsx:publish` too).
Bump patch versions to deliver the marketplace updates that were skipped.

Author: trevor-scheer

.changeset/vscode-publish-retry.md

@@ -0,0 +1,7 @@
+---
+'vscode-graphql-execution': patch
+'vscode-graphql-syntax': patch
+'vscode-graphql': patch
+---
+
+Burning patch version due to previous release failure.