chore: add maintenance label to maintenance GitHub template #282

Job	Run time
Python (macos-latest, 3.10) / macos-latest, python 3.10	54s
Python (macos-latest, 3.11) / macos-latest, python 3.11	48s
Python (macos-latest, 3.12) / macos-latest, python 3.12	40s
Python (macos-latest, 3.9) / macos-latest, python 3.9	1m 19s
Python (ubuntu-latest, 3.10) / ubuntu-latest, python 3.10	52s
Python (ubuntu-latest, 3.11) / ubuntu-latest, python 3.11	51s
Python (ubuntu-latest, 3.12) / ubuntu-latest, python 3.12	55s
Python (ubuntu-latest, 3.9) / ubuntu-latest, python 3.9	52s
Python (windows-latest, 3.10) / windows-latest, python 3.10	2m 43s
Python (windows-latest, 3.11) / windows-latest, python 3.11	2m 54s
Python (windows-latest, 3.12) / windows-latest, python 3.12	2m 44s
Python (windows-latest, 3.9) / windows-latest, python 3.9	2m 36s
	18m 8s

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