chore(deps): update snowflake-sqlalchemy requirement

Updates the requirements on [snowflake-sqlalchemy](https://github.com/snowflakedb/snowflake-sqlalchemy) to permit the latest version.
- [Release notes](https://github.com/snowflakedb/snowflake-sqlalchemy/releases)
- [Commits](snowflakedb/snowflake-sqlalchemy@v1.5.0...v1.6.1)

---
updated-dependencies:
- dependency-name: snowflake-sqlalchemy
  dependency-type: direct:production
...

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

pyproject.toml

@@ -31,7 +31,7 @@ dev = [
     "pytest~=8.0",
     "ruff~=0.5.1",
     "twine~=5.0",
-    "snowflake-sqlalchemy~=1.5.0",
+    "snowflake-sqlalchemy~=1.6.1",
 ]
 # for debugging, see https://duckdb.org/docs/guides/python/jupyter.html
 notebook = ["duckdb-engine", "ipykernel", "jupysql"]