Add experimental Server Cards support (SEP-2127) #3535

Job	Run time
checks / pre-commit	42s
checks / readme-snippets	13s
checks / docs	1m 0s
checks / test (3.10, locked, ubuntu-latest)	1m 13s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.12, locked, ubuntu-latest)	1m 24s
checks / test (3.12, lowest-direct, windows-latest)	1m 47s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.12, locked, windows-latest)	1m 45s
checks / test (3.11, locked, windows-latest)	1m 49s
checks / test (3.11, locked, ubuntu-latest)	1m 12s
checks / test (3.13, locked, ubuntu-latest)	1m 10s
checks / test (3.14, lowest-direct, windows-latest)	1m 51s
checks / test (3.11, lowest-direct, windows-latest)	1m 46s
checks / test (3.10, locked, windows-latest)	1m 50s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 3s
checks / test (3.13, lowest-direct, windows-latest)	1m 56s
checks / test (3.13, locked, windows-latest)	1m 53s
checks / test (3.10, lowest-direct, windows-latest)	1m 36s
checks / test (3.14, lowest-direct, ubuntu-latest)	55s
checks / test (3.14, locked, windows-latest)	1m 51s
checks / test (3.14, locked, ubuntu-latest)	59s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 6s
all-green	3s
	31m 26s

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