Fix coverage workflow and update GH templates #1033

Job	Run time
linux-gallery-python3.9-minimum	46s
linux-gallery-python3.13-optional	56s
windows-gallery-python3.13-optional	2m 23s
windows-gallery-python3.9-minimum	1m 28s
conda-linux-python3.13	2m 38s
conda-linux-python3.13-optional	4m 25s
conda-linux-python3.9-minimum	2m 33s
linux-python3.13	2m 41s
linux-python3.13-optional	3m 37s
linux-python3.9-minimum	2m 26s
macos-python3.13	2m 18s
macos-python3.13-optional	3m 49s
macos-python3.9-minimum	2m 56s
windows-python3.13	4m 27s
windows-python3.13-optional	7m 28s
windows-python3.9-minimum	3m 30s
Deploy pre-release from dev	0s
	48m 21s

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