fix(deps): update dependency com.vanniktech:emoji-google to v0.21.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

app/build.gradle

@@ -310,7 +310,7 @@ dependencies {
     }
     implementation 'com.caverock:androidsvg:1.4'
     implementation 'androidx.annotation:annotation:1.8.0'
-    implementation 'com.vanniktech:emoji-google:0.18.0'
+    implementation 'com.vanniktech:emoji-google:0.21.0'
 
     implementation "com.github.nextcloud-deps.hwsecurity:hwsecurity-fido:$fidoVersion"
     implementation "com.github.nextcloud-deps.hwsecurity:hwsecurity-fido2:$fidoVersion"