CI: Upgrade Python action #630

Job	Run time
Check and build entire workspace	3m 19s
Build splashsurf_lib with no default features	1m 3s
Run cargo fmt	5s
Build splashsurf_lib with all features	3m 33s
Build & test release mode (windows-latest)	8m 7s
Build & test release mode (ubuntu-latest)	3m 59s
Build & test release mode (macos-14)	3m 23s
Build & test release mode (ubuntu-24.04-arm)	3m 40s
Publish to crates.io	0s
	27m 9s

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