MAINT: Bump ansys/actions from 6 to 7 #157

Job	Run time
Code style	34s
Documentation	1m 42s
Build and Smoke tests (ubuntu-latest, 3.8)	19s
Build and Smoke tests (ubuntu-latest, 3.9)	21s
Build and Smoke tests (ubuntu-latest, 3.10)	25s
Build and Smoke tests (ubuntu-latest, 3.11)	19s
Build and Smoke tests (ubuntu-latest, 3.12)	21s
Build and Smoke tests (windows-latest, 3.8)	1m 11s
Build and Smoke tests (windows-latest, 3.9)	1m 20s
Build and Smoke tests (windows-latest, 3.10)	1m 18s
Build and Smoke tests (windows-latest, 3.11)	1m 16s
Build and Smoke tests (windows-latest, 3.12)	1m 1s
Run unit tests (3.8)	10s
Run unit tests (3.9)	9s
Run unit tests (3.10)	17s
Run unit tests (3.11)	13s
Run unit tests (3.12)	17s
Package library	26s
Upload documentation	0s
	11m 39s

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