Update release version/changelog for 3.5.7

Author: actions-user

README.md

@@ -113,7 +113,7 @@ The API is provided as an AAR (Android Archive) file and is available on [Maven
 You can add the following dependency to your application project:
 ```
 dependencies {
-    implementation 'com.github.frimtec:secure-sms-proxy-api:3.5.6@aar'
+    implementation 'com.github.frimtec:secure-sms-proxy-api:3.5.7@aar'
     implementation 'com.vdurmont:semver4j:3.1.0'
 }
 ```

fastlane/metadata/android/en-US/changelogs/2652329.txt

@@ -0,0 +1,7 @@
+- Add maintenance support for 2026
+- Bump androidx.activity:activity from 1.12.0 to 1.12.1
+- Bump com.googlecode.libphonenumber:libphonenumber from 9.0.19 to 9.0.20
+- Bump com.android.tools.build:gradle from 8.13.1 to 8.13.2
+- Bump androidx.activity:activity from 1.12.1 to 1.12.2
+- Bump com.googlecode.libphonenumber:libphonenumber from 9.0.20 to 9.0.21
+- Bump org.json:json from 20250517 to 20251224