Track version series instead of exact version

Track the version with the minor release truncated.
E.g. both SQLAlchemy 1.4.25 and SQLAlchemy 1.4.24
will be registered as the hash of SQLAlchemy 1.4.

Author: ZhouXing19

sqlalchemy_cockroachdb/base.py

@@ -148,16 +148,22 @@ def initialize(self, connection):
         # The crdb_internal.increment_feature_counter only exists in v21.1 of CRDB
         # and onwards.
         if self._is_v211plus and not self.disable_cockroachdb_telemetry:
+            sqlalchemy_version_string = ""
             dialect_version = pkg_resources.require("sqlalchemy-cockroachdb")[0].version
             sqlalchemy_version = pkg_resources.require("sqlalchemy")[0].version
+            matches = re.findall(r"(\d+\.\d+)(\.|$)", sqlalchemy_version)
+            if len(matches) == 0:
+                sqlalchemy_version_string = sqlalchemy_version
+            else:
+                sqlalchemy_version_string = matches[0][0]
             telemetry_query = "SELECT crdb_internal.increment_feature_counter(:val)"
             connection.execute(
                 text(telemetry_query),
                 dict(val=f'sqlalchemy-cockroachdb {dialect_version}')
             )
             connection.execute(
                 text(telemetry_query),
-                dict(val=f'sqlalchemy {sqlalchemy_version}')
+                dict(val=f'sqlalchemy {sqlalchemy_version_string}')
             )
 
     def _get_server_version_info(self, conn):