Import upstream changes (9f9120fde11d71076174c74bc69df60d2c9182bd)

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@lit/lit-starter-ts",
   "private": true,
-  "version": "1.0.6",
+  "version": "2.0.0-pre.1",
   "description": "A simple web component",
   "main": "my-element.js",
   "module": "my-element.js",
@@ -41,7 +41,7 @@
   "author": "Google LLC",
   "license": "BSD-3-Clause",
   "dependencies": {
-    "lit": "^2.2.4"
+    "lit": "^3.0.0-pre.1"
   },
   "devDependencies": {
     "@11ty/eleventy": "^1.0.1",
@@ -56,7 +56,7 @@
     "@web/dev-server-legacy": "^1.0.0",
     "@web/test-runner": "^0.15.0",
     "@web/test-runner-playwright": "^0.9.0",
-    "@webcomponents/webcomponentsjs": "^2.6.0",
+    "@webcomponents/webcomponentsjs": "^2.8.0",
     "eslint": "^8.15.0",
     "lit-analyzer": "^1.2.1",
     "prettier": "^2.6.2",
@@ -64,7 +64,7 @@
     "rollup": "^2.73.0",
     "rollup-plugin-summary": "^1.4.3",
     "rollup-plugin-terser": "^7.0.2",
-    "typescript": "~4.7.4"
+    "typescript": "~5.2.0"
   },
   "customElements": "custom-elements.json"
 }