Tidy up the OCI DevOps deployment with GitHub Actions examples

[Djelibeybi]

Description

Tidy up the OCI DevOps deployment using GitHub Actions example. Includes simplifying the yaml, improving the formatting and removing a setting that is not recommended for production use.

Type of change

Please delete options that are not relevant.

• [X] Improvement of existing example
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

• [X] Always Free
• [X] Paid

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my code
• [X] I have commented my code, particularly in hard-to-understand areas
• [X] I have made corresponding changes to the documentation
• [ ] Updated/Sorted AIO.md file
• [X] My changes generate no new warnings.
• [X] All the sensitive informations are masked or removed.
• [ ] All the links mentioned are valid and tested.
• [ ] Image names are seperated only with '-'.
• [ ] Added instruction to clone only this sample and links to other common sample pages.

[github-actions[bot]]

CLA Assistant Lite bot:
Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

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I have read the CLA Document and I hereby sign the CLA

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_{You can retrigger this bot by commenting recheck in this Pull Request}

[github-actions[bot]]

:no_entry: Banned Files Modified Changes to files in .github are not permitted. Please revert your changes and re-submit a new PR. Simply changing the file back to its original state and re-committing won't work (you must revert the changes made to it).

[github-actions[bot]]

:warning: WARNING: Missing Copyright Notice(s) It's a good idea to have copyright notices at the top of each file. It looks like at least one file was missing this (though it might be further down in the file - this might be a false-positive).

Details: :warning: - :

[github-actions[bot]]

:no_entry: License Inspection Requires manual inspection. There are some licenses which dictate further analysis and review.

[Djelibeybi]

I'm going to ignore all of the failing checks because none of them apply to me.