Add license header and deferred type hint evaluation in utils.py

Author: SrdjanLL

instrumentation/opentelemetry-instrumentation-botocore/src/opentelemetry/instrumentation/botocore/utils.py

@@ -1,4 +1,18 @@
-from typing import Dict
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from __future__ import annotations
+
 from urllib.parse import urlparse
 
 from opentelemetry.semconv._incubating.attributes import (
@@ -7,7 +21,7 @@
 from opentelemetry.util.types import AttributeValue
 
 
-def get_server_attributes(endpoint_url: str) -> Dict[str, AttributeValue]:
+def get_server_attributes(endpoint_url: str) -> dict[str, AttributeValue]:
     """Extract server.* attributes from AWS endpoint URL."""
     parsed = urlparse(endpoint_url)
     attributes = {}