Increase Gradle version to 7.1.3

app/build.gradle

@@ -8,6 +8,8 @@ plugins {
 apply from: rootProject.file("gradle/git-tag-version.gradle")
 
 android {
+    namespace 'no.nordicsemi.android.nrftoolbox'
+
     compileSdk android_api_version
 
     defaultConfig {
@@ -76,7 +78,6 @@ dependencies {
     implementation project(':profile_rscs')
 
     implementation project(':profile_uart')
-//    implementation project(':profile_dfu')
 
     implementation project(":lib_theme")
     implementation project(":lib_utils")

app/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="no.nordicsemi.android.nrftoolbox">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <queries>
         <package android:name="no.nordicsemi.android.dfu" />