chore(deps): bump @lit-labs/ssr-dom-shim from 1.2.0 to 1.2.1 (#173)

Bumps [@lit-labs/ssr-dom-shim](https://github.com/lit/lit/tree/HEAD/packages/labs/ssr-dom-shim) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/lit/lit/releases)
- [Changelog](https://github.com/lit/lit/blob/main/packages/labs/ssr-dom-shim/CHANGELOG.md)
- [Commits](https://github.com/lit/lit/commits/@lit-labs/[email protected]/packages/labs/ssr-dom-shim)

---
updated-dependencies:
- dependency-name: "@lit-labs/ssr-dom-shim"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "README.md"
   ],
   "dependencies": {
-    "@lit-labs/ssr-dom-shim": "^1.2.0"
+    "@lit-labs/ssr-dom-shim": "^1.2.1"
   },
   "devDependencies": {
     "@custom-elements-manifest/analyzer": "^0.10.3",