fix: configure Antelop SDK applicationIds per environment

packages/flutter_treezor_entrust_sdk_bridge/.gitignore

@@ -0,0 +1,7 @@
+# Gradle-generated maven-metadata files: regenerated on every build with
+# new timestamps and hashes, so they create commit noise. The vendor
+# library itself (antelop-x.y.z.aar / .pom) IS tracked because the
+# Entrust SDK is a private library not available on Maven Central.
+android/build/com/entrust/antelop/antelop/maven-metadata.xml
+android/build/com/entrust/antelop/antelop/maven-metadata.xml.md5
+android/build/com/entrust/antelop/antelop/maven-metadata.xml.sha1

packages/flutter_treezor_entrust_sdk_bridge/android/build/com/entrust/antelop/antelop/maven-metadata.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<metadata>
-  <groupId>com.entrust.antelop</groupId>
-  <artifactId>antelop</artifactId>
-  <versioning>
-    <release>2.6.4</release>
-    <versions>
-      <version>2.6.4</version>
-    </versions>
-    <lastUpdated>20260406000000</lastUpdated>
-  </versioning>
-</metadata>

packages/flutter_treezor_entrust_sdk_bridge/android/build/com/entrust/antelop/antelop/maven-metadata.xml.md5

@@ -1 +0,0 @@
-6484e11e2b27e9ccc86292b3aceea5ac

packages/flutter_treezor_entrust_sdk_bridge/android/build/com/entrust/antelop/antelop/maven-metadata.xml.sha1

@@ -1 +0,0 @@
-607dcd30d6d83b2846416b70c1aa7f70bcb06a07