Simple Iceberg support #2262

Job	Run time
linter	1m 16s
build packages	13s
unit test / python 3.8	49s
unit test / python 3.9	57s
unit test / python 3.10	52s
unit test / python 3.11	51s
verify packages / python 3.8 / ubuntu-latest	1m 0s
verify packages / python 3.9 / ubuntu-latest	59s
verify packages / python 3.10 / ubuntu-latest	1m 0s
verify packages / python 3.11 / ubuntu-latest	1m 4s
verify packages / python 3.8 / macos-latest	1m 22s
verify packages / python 3.9 / macos-latest	49s
verify packages / python 3.10 / macos-latest	47s
verify packages / python 3.11 / macos-latest	47s
verify packages / python 3.8 / windows-latest	2m 12s
verify packages / python 3.9 / windows-latest	2m 5s
verify packages / python 3.10 / windows-latest	3m 2s
verify packages / python 3.11 / windows-latest	3m 15s
	23m 20s

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