Merge pull request #2150 from albinahlback/release_ci #1658

Job	Run time
GCC build regression check (no tests)	1m 1s
Alpine Linux, musl, 32-bit (assert, x1.5)	14m 12s
macOS-M1, Clang (x3)	8m 14s
MinGW GCC (x0.5)	10m 40s
MSVC (x1)	9m 46s
Nemo.jl	17m 42s
Ubuntu Clang, BLAS and examples (x5)	12m 45s
Ubuntu GCC, Code Coverage (x10)	28m 55s
Ubuntu GCC with NTL (assert, x2)	8m 1s
	1h 51m 16s

Provide feedback