Update GHA badges on README.md #6015

Job	Run time
lint/style-and-typos	47s
linux/3.9/bare-env	7s
linux/3.9	5m 13s
linux/3.10	5m 13s
linux/3.11	5m 13s
linux/3.12	5m 13s
linux/3.13	5m 12s
osx/3.9	5m 14s
osx/3.10	5m 15s
osx/3.11	5m 14s
osx/3.12	5m 15s
osx/3.13	5m 13s
win/3.9	1s
win/3.10	5m 9s
win/3.11	5m 0s
win/3.12	1s
win/3.13	1s
linux/3.11/conda	5m 12s
linux/3.10/mpi	5m 12s
linux/3.12/cython	5m 12s
win/3.9/pip	1s
linux/3.11/singletest	5m 12s
linux/3.9/slim	4m 17s
linux/3.12/numpy2	5m 8s
linux/3.10/pyutilib	5m 12s
linux/pypy-3.10	4m 55s
process-coverage-${{ matrix.TARGET }}	1s
	1h 43m 43s

Provide feedback