ci: pin ubuntu OS to 22.04. #10532

Job	Run time
Build remote test matrix	9s
Build test matrix for minimal and local	5s
Documentation style doc	20s
Check library vulnerabilities	46s
Documentation style examples	11s
Check the name of the pull-request	4s
ubuntu-latest \| Py 3.10 \| Rel false	54s
Julia 1.10.3 \| ubuntu-latest	1m 12s
Local: Build & test on Windows	0s
Julia 1.10.3 \| windows-latest	1m 13s
Update CHANGELOG (on release)	0s
ubuntu-latest \| Py 3.11 \| Rel false	50s
Julia 1.10.4 \| ubuntu-latest	1m 5s
ubuntu-latest \| Py 3.12 \| Rel false	1m 0s
Julia 1.10.4 \| windows-latest	1m 10s
windows-latest \| Py 3.10 \| Rel false	1m 9s
windows-latest \| Py 3.11 \| Rel false	1m 7s
windows-latest \| Py 3.12 \| Rel false	1m 7s
Build documentation	56s
Local-min-console: ${{ matrix.mapdl-version }}	1s
Remote: ${{ matrix.mapdl-version }}	1s
Local: ${{ matrix.mapdl-version }}	1s
Local-min: ${{ matrix.mapdl-version }}	1s
Package library	1s
Upload dev documentation	1s
Notify failed build	1s
Release project	1s
Upload release documentation	1s
	13m 27s

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