Update dependency androidx.activity:activity to v1.12.1

Author: renovate[bot]

app/build.gradle

@@ -72,7 +72,7 @@ dependencies {
     implementation("androidx.webkit:webkit:1.10.0")
     implementation("org.eclipse.jgit:org.eclipse.jgit:6.8.0.202311291450-r")
     implementation("com.google.code.gson:gson:2.10.1")
-    implementation("androidx.activity:activity:1.9.0-alpha03")
+    implementation("androidx.activity:activity:1.12.1")
     implementation("androidx.appcompat:appcompat:1.7.0-alpha03")
     implementation("androidx.constraintlayout:constraintlayout:2.1.4")
     implementation("com.google.android.material:material:1.12.0-alpha03")