auth mssql CI: switch to 2022-CU12 image

[Habbie]

Short description

https://github.com/actions/runner-images/releases/tag/ubuntu22%2F20240915.1 broke mssql.

microsoft/mssql-docker#868 fits the kernel upgrade.

this commit switches from 2017-GA to 2022-CU12, which unbreaks the build

Checklist

I have:

• read the CONTRIBUTING.md document
• compiled this code
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)
• checked that this code was merged to master

[coveralls]

Pull Request Test Coverage Report for Build 10937976368

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 13 unchanged lines in 4 files lost coverage.
• Overall coverage increased (+10.4%) to 64.688%

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Files with Coverage Reduction	New Missed Lines	%
pdns/opensslsigners.cc	2	61.07%
pdns/misc.hh	3	84.95%
modules/gpgsqlbackend/spgsql.cc	3	67.94%
pdns/signingpipe.cc	5	85.52%

Totals
Change from base Build 10917374211:	10.4%
Covered Lines:	124806
Relevant Lines:	162224

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💛 - Coveralls