fix: Do not assume sentry.release is set

Author: sentrivana

tests/test_logs.py

@@ -230,6 +230,8 @@ def test_logs_attributes(sentry_init, capture_envelopes):
     for k, v in attrs.items():
         assert logs[0]["attributes"][k] == v
     assert logs[0]["attributes"]["sentry.environment"] == "production"
+    if sentry_sdk.get_client().options.get("release") is not None:
+        assert "sentry.release" in logs[0]["attributes"]
     assert logs[0]["attributes"]["sentry.message.parameter.my_var"] == "some value"
     assert logs[0]["attributes"][SPANDATA.SERVER_ADDRESS] == "test-server"
     assert logs[0]["attributes"]["sentry.sdk.name"].startswith("sentry.python")