* zig: update to 0.15.2
* zig: remove commit 0b9f5e2549cf8a5df8fb67ebbd2dde02a6a3d0af from patch
It has already been applied upstream, see
<00fb5e34df>.
* zig: remove commit 53c53a269797f406d4a3f750a247729282d942db from patch
Causes conflicts, and it only affects s390x anyway, so it's not for us.
* zig: remove commit 367be3777c7dcdd8ca19de0b2a8e2dc4b91486e0 from patch
* zig: remove commit f6879c35af446c3ca3ef61f4b5b7d03d0e064769 from patch
* zig: remove commit 8c47dda7df2ff123699856eea513a266952b91bf from patch
Patches conflict with new version.
b5f7ebaf47