docs: update SKILL.md based on release main

Author: googlemaps-bot

.gemini/skills/android-maps-compose/SKILL.md

@@ -121,4 +121,4 @@ fun MapScreen() {
 3. Set up the Secrets Gradle Plugin in both project-level and app-level `build.gradle.kts`.
 4. Update `AndroidManifest.xml` with permissions and the `${MAPS_API_KEY}` placeholder.
 5. Create the `MapScreen.kt` composable.
-6. Provide a summary of the changes and instruct the user on how to add their API key to `local.properties`.
+6. Provide a summary of the changes and instruct the user on how to add their API key to `local.properties`.