makepkg: add combined flag and check skip (tldr-pages#23525)

Author: Managor

pages/linux/makepkg.md

@@ -16,9 +16,9 @@
 
 `makepkg {{[-si|--syncdeps --install]}}`
 
-- Make a package, but skip checking the source's hashes and PGP signatures:
+- Make a package, but skip checking the source's hashes, PGP signatures, and the `PKGBUILD` `check()` function:
 
-`makepkg --skipchecksums --skippgpcheck`
+`makepkg --skipchecksums --skippgpcheck --nocheck`
 
 - Clean up work directories after a successful build: