Add support for configuring community/nightly extensions in the profile directly #700

Job	Run time
code-quality	1m 14s
functional test / python 3.9	2m 42s
functional test / python 3.10	2m 34s
build packages	15s
Check if MotherDuck v0.10.x token exists	1s
Buena Vista functional test / python 3.9	9m 44s
file-based functional test / python 3.9	3m 29s
functional test / python 3.11	2m 19s
fsspec test / python 3.9	1m 14s
file-based functional test / python 3.10	3m 14s
functional test / python 3.12	2m 59s
file-based functional test / python 3.11	3m 2s
plugins test / python 3.9	1m 5s
file-based functional test / python 3.12	3m 44s
unit test / python 3.9	1m 4s
unit test / python 3.10	56s
unit test / python 3.11	1m 4s
unit test / python 3.12	1m 29s
MotherDuck functional test / python 3.9	4m 46s
verify packages / python 3.9 / ubuntu-latest	33s
verify packages / python 3.10 / ubuntu-latest	35s
verify packages / python 3.11 / ubuntu-latest	31s
verify packages / python 3.12 / ubuntu-latest	39s
verify packages / python 3.9 / macos-latest	25s
verify packages / python 3.10 / macos-latest	37s
verify packages / python 3.11 / macos-latest	23s
verify packages / python 3.12 / macos-latest	28s
verify packages / python 3.9 / windows-latest	1m 35s
verify packages / python 3.10 / windows-latest	1m 52s
verify packages / python 3.11 / windows-latest	1m 55s
verify packages / python 3.12 / windows-latest	2m 6s
	58m 34s

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