Upgrade circleci config version and improve api/security tests

[zainasir]

Describe changes proposed in this pull request:

• Combine security tests and api tests into a single workflow.
• Optimize image builds, reducing test time by 50%.
• Eliminate manual approval needed for docker authentication.

Docker Scout can be modified to use native comparison functionality once it is not in experimental stage anymore.

Checks

• The commit log is comprehensible. It follows 7 rules of great commit messages. We can fix this during merge by using a squash+merge if necessary
• Has tests or has a separate issue that describes the types of test that should be created. If no test is included it should explicitly be mentioned in the PR why there is no test.
• Is this PR adding logic based on one or more clinical attributes? If yes, please make sure validation for this attribute is also present in the data validation / data loading layers (in backend repo) and documented in File-Formats Clinical data section!
• Make sure your PR has one of the labels defined in https://github.com/cBioPortal/cbioportal/blob/master/.github/release-drafter.yml

Any screenshots or GIFs?

(Before) Old Tests Dependency Graph

(After) New Tests Dependency Graph

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[inodb]

LGTM - thank you!

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud