[chart/v1-2x-test] Chart: add missing tpl for SA annotations (#66095)

[jscheffl]

(cherry picked from commit ac59ee0)

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• Read the Pull Request Guidelines for more information. Note: commit author/co-author name and email in commits become permanently public when merged.
• For fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
• When adding dependency, check compliance with the ASF 3rd Party License Policy.
• For significant user-facing changes create newsfragment: {pr_number}.significant.rst, in airflow-core/newsfragments. You can add this file in a follow-up commit after the PR is created so you know the PR number.

[jscheffl]

Ha, I was running pytests for chart locally to ensure my merge with conflicts resolved still is OK... you merged at the moment tests passed locally :-D