Bump snowflake-connector-python in /e2e-etl-python/files

Bumps [snowflake-connector-python](https://github.com/snowflakedb/snowflake-connector-python) from 3.12.1 to 3.12.3.
- [Release notes](https://github.com/snowflakedb/snowflake-connector-python/releases)
- [Commits](snowflakedb/snowflake-connector-python@v3.12.1...v3.12.3)

---
updated-dependencies:
- dependency-name: snowflake-connector-python
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

e2e-etl-python/files/requirements.txt

@@ -12,7 +12,7 @@ pytest-ordering == 0.6
 pytest-repeat == 0.9.3
 pyspark == 3.5.0
 pytz == 2023.3.post1
-snowflake-connector-python == 3.12.1
+snowflake-connector-python == 3.12.3
 cryptography == 43.0.1
 psycopg2-binary == 2.9.1
 snowflake-snowpark-python == 1.11.1