Bump mypy from 1.11.2 to 1.12.1 #735

Job	Run time
Check if MotherDuck v0.10.x token exists	1s
Buena Vista functional test / python 3.11	2m 25s
code-quality	1m 27s
build packages	18s
file-based functional test / python 3.9	3m 33s
fsspec test / python 3.9	1m 3s
file-based functional test / python 3.10	1m 16s
functional test / python 3.9	2m 44s
plugins test / python 3.9	59s
file-based functional test / python 3.11	2m 55s
functional test / python 3.10	2m 42s
file-based functional test / python 3.12	3m 26s
functional test / python 3.11	2m 16s
unit test / python 3.9	59s
functional test / python 3.12	2m 37s
unit test / python 3.10	54s
unit test / python 3.11	55s
unit test / python 3.12	1m 8s
MotherDuck functional test / python ${{ matrix.python-version }}	0s
verify packages / python 3.9 / ubuntu-latest	29s
verify packages / python 3.10 / ubuntu-latest	31s
verify packages / python 3.11 / ubuntu-latest	30s
verify packages / python 3.12 / ubuntu-latest	39s
verify packages / python 3.9 / macos-latest	29s
verify packages / python 3.10 / macos-latest	36s
verify packages / python 3.11 / macos-latest	20s
verify packages / python 3.12 / macos-latest	31s
verify packages / python 3.9 / windows-latest	1m 2s
verify packages / python 3.10 / windows-latest	1m 5s
verify packages / python 3.11 / windows-latest	1m 3s
verify packages / python 3.12 / windows-latest	1m 27s
	40m 20s

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