Use tensorflow >=2.16 to avoid having reinstall keras3 #461

Job	Run time
type-checking	49s
tests (3.9, ubuntu-latest, tf)	13m 12s
linters	1m 8s
tests (3.9, ubuntu-latest, torch)	6m 24s
tests (3.9, macos-latest, tf)	14m 47s
tests (3.9, macos-latest, torch)	9m 59s
tests (3.9, windows-latest, tf)	11m 17s
tests (3.9, windows-latest, torch)	5m 39s
tests (3.11, ubuntu-latest, tf)	9m 24s
tests (3.11, ubuntu-latest, torch)	6m 55s
tests (3.11, macos-latest, tf)	12m 4s
tests (3.11, macos-latest, torch)	9m 17s
tests (3.11, windows-latest, tf)	11m 34s
tests (3.11, windows-latest, torch)	5m 48s
build-doc / build-doc	1m 42s
deploy-doc / trigger-binder-build	42s
deploy-doc / deploy-doc	10s
deploy-doc / update-doc-versions	11s
	2h 1m 2s

Provide feedback