ci: fix Linux container interpreter; use -i python3.12 to avoid Pytho… #23

Job	Run time
Guard (tag points to main?)	3s
Build sdist	36s
Build native wheels (linux-aarch64)	4m 27s
Build native wheels (linux-musl-x86_64)	4m 10s
Build native wheels (linux-x86_64)	4m 17s
Build native wheels (macos-universal2)	3m 38s
Build native wheels (windows-amd64)	4m 41s
Build native wheels (linux-musl-aarch64)	4m 22s
Publish to PyPI (Trusted Publishing)	27s
	26m 41s

Provide feedback