Add experimental Server Cards support (SEP-2127) #2930

Job	Run time
checks / pre-commit	46s
checks / readme-snippets	11s
checks / test (3.10, locked, ubuntu-latest)	1m 2s
checks / test (3.12, locked, windows-latest)	1m 41s
checks / test (3.12, locked, ubuntu-latest)	1m 2s
checks / test (3.10, lowest-direct, windows-latest)	1m 25s
checks / test (3.12, lowest-direct, windows-latest)	1m 35s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 0s
checks / test (3.10, locked, windows-latest)	1m 51s
checks / test (3.11, locked, windows-latest)	1m 32s
checks / test (3.14, lowest-direct, ubuntu-latest)	59s
checks / test (3.14, lowest-direct, windows-latest)	1m 32s
checks / test (3.13, lowest-direct, windows-latest)	1m 40s
checks / test (3.11, lowest-direct, windows-latest)	1m 42s
checks / test (3.13, locked, ubuntu-latest)	58s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 5s
checks / test (3.11, locked, ubuntu-latest)	55s
checks / test (3.13, locked, windows-latest)	1m 47s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 11s
checks / test (3.14, locked, windows-latest)	2m 10s
checks / test (3.14, locked, ubuntu-latest)	2m 3s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 12s
all-green	5s
	29m 24s

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