release script: fix final cleanup
release script: fix final cleanup

Make sure we're in the right place for the final cleanup.

letolabs/nasm,projedi/nasm,turingstudio/nasm,turingstudio/nasm,techkey/nasm,Distrotech/nasm,techkey/nasm,projedi/nasm,letolabs/nasm,techkey/nasm,projedi/nasm,Distrotech/nasm,letolabs/nasm,projedi/nasm,projedi/nasm,turingstudio/nasm,techkey/nasm,Distrotech/nasm,Distrotech/nasm,turingstudio/nasm,techkey/nasm