Add workflow_dispatch trigger to Secrets SDK CI build

[t1m0thyj]

What It Does

This should allow us to rebuild Secrets SDK artifacts for the next branch where they had expired.

How to Test

Review Checklist I certify that I have:

• [ ] tested my changes
• [ ] added/updated automated tests
• [ ] updated the changelog
• [ ] followed the contribution guidelines

Additional Comments

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.13%. Comparing base (eb92768) to head (2f9ff58). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2153 +/- ## ======================================= Coverage 91.13% 91.13% ======================================= Files 636 636 Lines 19046 19046 Branches 3900 3900 ======================================= Hits 17357 17357 Misses 1688 1688 Partials 1 1 ```

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud