CI: add sonarcube scanner and remove clang16/gcc12

[wirew0rm]

needs to be added to sonarcloud before this build will be successfull :heavy_check_mark:

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (b1cb7c0) 56.23% compared to head (a0c6a42) 55.91%. Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #320 +/- ## ========================================== - Coverage 56.23% 55.91% -0.32% ========================================== Files 65 65 Lines 7083 7198 +115 Branches 2622 2619 -3 ========================================== + Hits 3983 4025 +42 - Misses 1432 1506 +74 + Partials 1668 1667 -1 ``` [see 34 files with indirect coverage changes](https://app.codecov.io/gh/fair-acc/opencmw-cpp/pull/320/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fair-acc)

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[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

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