[AIRFLOW-5107] Fix template_fields in GCS ACL operator

[turbaszek]

Fixes generation field in GoogleCloudStorageObjectCreateAclEntryOperator

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Jira

• My PR addresses the following Airflow Jira issues and references them in the PR title
  • https://issues.apache.org/jira/browse/AIRFLOW-5107

Description

• Fixes generation field in GoogleCloudStorageObjectCreateAclEntryOperator

Tests

• My PR adds the following unit tests OR does not need testing for this extremely good reason:

Commits

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  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters (not including Jira issue reference)
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

Documentation

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  • All the public functions and the classes in the PR contain docstrings that explain what it does
  • If you implement backwards incompatible changes, please leave a note in the Updating.md so we can assign it to a appropriate release

Code Quality

• Passes flake8

[potiuk]

Nice :). Removing inconsistencies.