Update dependency lit to v3

Author: renovate[bot]

package.json

@@ -167,7 +167,7 @@
     "karma-sinon": "1.0.5",
     "karma-sourcemap-loader": "0.4.0",
     "karma-webpack": "4.0.2",
-    "lit": "2.8.0",
+    "lit": "3.2.0",
     "lit-element": "4.1.0",
     "lit-html": "2.8.0",
     "loader-utils": "2.0.4",