Re-enable Linux/musl/gcc test in CI; CI updates

[coveralls]

Pull Request Test Coverage Report for Build 1758

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.03%) to 95.493%

---

Totals
Change from base Build 1754:	0.03%
Covered Lines:	3877
Relevant Lines:	4060

---

💛 - Coveralls

[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