Add changeset

Author: koddsson

.changeset/eleven-mugs-dress.md

@@ -0,0 +1,13 @@
+---
+'@web/dev-server-import-maps': patch
+'@web/dev-server-esbuild': patch
+'@web/test-runner-mocha': patch
+'@web/polyfills-loader': patch
+'@web/test-runner-core': patch
+'@web/dev-server-core': patch
+'@web/config-loader': patch
+'@web/test-runner': patch
+'@web/dev-server': patch
+---
+
+Update TypeScript