Add experimental Server Cards support (SEP-2127) #2927

Job	Run time
checks / readme-snippets	15s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 0s
checks / pre-commit	44s
checks / test (3.10, lowest-direct, windows-latest)	1m 30s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 2s
checks / test (3.14, locked, ubuntu-latest)	2m 7s
checks / test (3.14, lowest-direct, ubuntu-latest)	57s
checks / test (3.14, lowest-direct, windows-latest)	1m 42s
checks / test (3.12, lowest-direct, windows-latest)	1m 35s
checks / test (3.12, locked, windows-latest)	1m 38s
checks / test (3.13, lowest-direct, windows-latest)	1m 41s
checks / test (3.11, locked, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.10, locked, windows-latest)	1m 29s
checks / test (3.10, locked, ubuntu-latest)	1m 11s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 5s
checks / test (3.11, lowest-direct, windows-latest)	1m 55s
checks / test (3.13, locked, ubuntu-latest)	58s
checks / test (3.14, locked, windows-latest)	2m 26s
checks / test (3.12, locked, ubuntu-latest)	51s
checks / test (3.13, locked, windows-latest)	1m 32s
checks / test (3.11, locked, windows-latest)	1m 37s
all-green	3s
	29m 16s

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