Update PN migration guides

docusaurus/docs/Android/02-migration-guides/01-client/01-push-notifications.mdx

@@ -29,6 +29,13 @@ dependencies {
 }
 ```
 
+The constructor of `FirebasePushDeviceGenerator` has been updated, now it requires a provider name.
+```kotlin {2}
+val firebasePushDeviceGenerator = FirebasePushDeviceGenerator(
+    providerName = "your_provider_name"
+)
+```
+
 ## Huawei
 If you were using our Huawei Implementation and want to keep it, you only need to switch the dependency in your `build.gradle` file, and update the imports where the old classes are used.
 ```groovy {2}
@@ -37,10 +44,29 @@ dependencies {
 }
 ```
 
+The constructor of `HuaweiPushDeviceGenerator` has been updated, now it requires a provider name.
+```kotlin {4}
+val huaweiPushDeviceGenerator = HuaweiPushDeviceGenerator(
+    context = context,
+    appId = ApplicationConfigurator.HUAWEI_APP_ID,
+    providerName = "your_provider_name",
+)
+```
+
 ## Xiaomi
 If you were using our Xiaomi Implementation and want to keep it, you only need to switch the dependency in your `build.gradle` file, and update the imports where the old classes are used.
 ```groovy {2}
 dependencies {
     implementation "io.getstream:stream-android-push-xiaomi:$stream_android_push_version"
 }
 ```
+
+The constructor of `XiaomiPushDeviceGenerator` has been updated, now it requires a provider name.
+```kotlin {5}
+val xiaomiPushDeviceGenerator = XiaomiPushDeviceGenerator(
+    context = context,
+    appId = ApplicationConfigurator.XIAOMI_APP_ID,
+    appKey = ApplicationConfigurator.XIAOMI_APP_KEY,
+    providerName = "your_provider_name",
+)
+```