chore(deps): update dependency rules_python to v1.6.3 #2571

Job	Run time
Pre-commit checks	1m 4s
configure	5s
Run tests (., gcc, bzlmod)	3m 0s
Run tests (examples, gcc, bzlmod)	2m 56s
Run tests (., gcc, workspace)	3m 0s
Run tests (examples, gcc, workspace)	2m 50s
Run tests (., clang, workspace)	3m 1s
Run tests (examples, clang, workspace)	2m 56s
Run tests (., clang, bzlmod)	2m 50s
Run tests (examples, clang, bzlmod)	2m 56s
	24m 38s

Provide feedback