build: update release process and CI commands for publishing

Author: jpoehnelt

.changeset/flat-actors-warn.md

@@ -0,0 +1,5 @@
+---
+"google-workspace-developer-tools": patch
+---
+
+Fix release process.

packages/vscode-extension/package.json

@@ -49,7 +49,8 @@
     "build": "tsup",
     "check": "tsc --noEmit",
     "ci:package": "vsce package",
-    "ci:publish": "ovsx publish --skip-duplicate && vsce publish --skip-duplicate",
+    "ci:publish": "changeset publish && ovsx publish --skip-duplicate && vsce publish --skip-duplicate",
+    "ci:version": "changeset version && pnpm i --lockfile-only --engine-strict=false",
     "ci:update": "tsx scripts/fetch-apis.ts",
     "dev": "tsup --watch",
     "pretest": "pnpm build",