Fix coverage workflow and update GH templates #1036

Job	Run time
linux-gallery-python3.13-optional	55s
linux-gallery-python3.9-minimum	47s
windows-gallery-python3.13-optional	2m 2s
windows-gallery-python3.9-minimum	1m 35s
conda-linux-python3.13	2m 44s
conda-linux-python3.13-optional	5m 53s
linux-python3.13	2m 25s
conda-linux-python3.9-minimum	2m 40s
linux-python3.13-optional	4m 47s
linux-python3.9-minimum	2m 19s
macos-python3.13	1m 57s
macos-python3.13-optional	4m 9s
macos-python3.9-minimum	3m 56s
windows-python3.13	4m 36s
windows-python3.13-optional	7m 52s
windows-python3.9-minimum	3m 30s
Deploy pre-release from dev	0s
	52m 7s

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