chore(calls): bump @lotusguild/element-call-embedded to 0.25.0-lotus.12

Brings io.lotus.screenshare_notice (EC #39) and the screenshare tile's
audio-state glyph (EC #38).

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PPmy3tPq869XDW4njjVaKA

package-lock.json

@@ -81,7 +81,7 @@
       },
       "devDependencies": {
         "@axe-core/playwright": "4.13.0",
-        "@lotusguild/element-call-embedded": "0.25.0-lotus.11",
+        "@lotusguild/element-call-embedded": "0.25.0-lotus.12",
         "@playwright/test": "1.63.0",
         "@rollup/plugin-inject": "5.0.5",
         "@rollup/plugin-wasm": "6.2.2",
@@ -2695,9 +2695,9 @@
       "integrity": "sha512-dfLbk+PwWvFzSxwk3n5ySL0hfBog779o8h68wK/7/APo/7cgyWp5jcXockbxdk5kFRkbeXWm4Fbi9FrdN381sA=="
     },
     "node_modules/@lotusguild/element-call-embedded": {
-      "version": "0.25.0-lotus.11",
-      "resolved": "https://code.lotusguild.org/api/packages/LotusGuild/npm/%40lotusguild%2Felement-call-embedded/-/0.25.0-lotus.11/element-call-embedded-0.25.0-lotus.11.tgz",
-      "integrity": "sha512-wLsVsEBLZ4UjhAdLhhk5BmAap1kZ4x8KKirOm2Ie+DbtM34GCv30oUFmQnUmVdO4by3EQAmNK+v+vYyIwq4DOg==",
+      "version": "0.25.0-lotus.12",
+      "resolved": "https://code.lotusguild.org/api/packages/LotusGuild/npm/%40lotusguild%2Felement-call-embedded/-/0.25.0-lotus.12/element-call-embedded-0.25.0-lotus.12.tgz",
+      "integrity": "sha512-hbraTFNEf5NbyKwrHdGTSorMo4KvbFxAoZKIzV2wZCEp+suJvZKXbJg4qTUbY0+freLjlB3qflxdwcTU5Oqmxg==",
       "dev": true
     },
     "node_modules/@matrix-org/matrix-sdk-crypto-wasm": {