INTPYTHON-724 - Add DriverInfo metadata to MongoDB connector (#13379)

### Motivation and Context

This PR updates the MongoDB connector to use best practices for
DriverInfo while connecting to the database.

### Description

### Contribution Checklist

Passing MongoDB connector tests:
https://spruce.mongodb.com/task/ai_ml_pipeline_testing_test_semantic_kernel_python_rhel_test_semantic_kernel_python_local_patch_888cccaf0dc36ca794fde4fd82cb1f997e5a4211_69209c01107dec0007300089_25_11_21_17_06_20/logs?execution=0

<!-- Before submitting this PR, please make sure: -->

- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄

python/semantic_kernel/connectors/mongodb.py

@@ -64,6 +64,7 @@ DISTANCE_FUNCTION_MAP: Final[dict[DistanceFunction, str]] = {
     DistanceFunction.DOT_PROD: "dotProduct",
     DistanceFunction.DEFAULT: "euclidean",
 }
+DRIVER_METADATA = DriverInfo(SEMANTIC_KERNEL_USER_AGENT, metadata.version("semantic-kernel"))
 
 logger = logging.getLogger(__name__)
 
@@ -210,6 +211,8 @@ class MongoDBAtlasCollection(
                 managed_client=managed_client,
                 embedding_generator=embedding_generator,
             )
+            if callable(mongo_client.append_metadata):
+                mongo_client.append_metadata(DRIVER_METADATA)
             return
 
         try:
@@ -225,7 +228,7 @@ class MongoDBAtlasCollection(
 
         mongo_client = AsyncMongoClient(
             mongodb_atlas_settings.connection_string.get_secret_value(),
-            driver=DriverInfo(SEMANTIC_KERNEL_USER_AGENT, metadata.version("semantic-kernel")),
+            driver=DRIVER_METADATA,
         )
 
         super().__init__(
@@ -565,6 +568,8 @@ class MongoDBAtlasStore(VectorStore):
                 database_name=database_name or DEFAULT_DB_NAME,
                 embedding_generator=embedding_generator,
             )
+            if callable(mongo_client.append_metadata):
+                mongo_client.append_metadata(DRIVER_METADATA)
             return
 
         try:
@@ -581,7 +586,7 @@ class MongoDBAtlasStore(VectorStore):
 
         mongo_client = AsyncMongoClient(
             mongodb_atlas_settings.connection_string.get_secret_value(),
-            driver=DriverInfo(SEMANTIC_KERNEL_USER_AGENT, metadata.version("semantic-kernel")),
+            driver=DRIVER_METADATA,
         )
 
         super().__init__(