fix(deps): update dependency google-cloud-storage to v2.8.0 (#211)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

modules/data_warehouse/assets/bigquery-external-function/requirements.txt

@@ -1,2 +1,2 @@
 google-cloud-bigquery==3.5.0
-google-cloud-storage==2.7.0
+google-cloud-storage==2.8.0