And let MSan continue checking after errors in all jobs
https://github.com/bitcoin-core/secp256k1/pull/1414/changes/4b8a647ad3a59c2421d1d4c6e653f21d453e2612
https://github.com/bitcoin-core/secp256k1/pull/1414/changes/2635068abf93ebcf7f200eef14acafc3300e32f7
This concludes backport of secp256k1#1414
Depends on D19601