chore: drop python3.9 support #9001

Job	Run time
Check the name of the branch	3s
Update CHANGELOG (on release)	0s
Check the name of the commit	5s
Build remote test matrix	8s
ubuntu-latest \| Py 3.9 \| Rel false	25s
Documentation style doc	25s
ubuntu-latest \| Py 3.10 \| Rel false	40s
Documentation style examples	22s
ubuntu-latest \| Py 3.11 \| Rel false	40s
Build test matrix for minimal and local	7s
ubuntu-latest \| Py 3.12 \| Rel false	42s
windows-latest \| Py 3.9 \| Rel false	40s
Julia 1.10.3 \| ubuntu-latest	54s
windows-latest \| Py 3.10 \| Rel false	43s
windows-latest \| Py 3.11 \| Rel false	43s
Local: Build & test on Windows	0s
Julia 1.10.3 \| windows-latest	40s
windows-latest \| Py 3.12 \| Rel false	46s
Julia 1.10.4 \| ubuntu-latest	53s
Julia 1.10.4 \| windows-latest	39s
Build documentation	19s
Local: ${{ matrix.mapdl-version }}	1s
Remote: ${{ matrix.mapdl-version }}	1s
Local-min: ${{ matrix.mapdl-version }}	1s
Upload dev documentation	1s
Notify failed build	1s
Package library	1s
Deploy dev index docs	1s
Release project	1s
Upload release documentation	1s
Deploy stable docs index	1s
	10m 4s

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