Add support for odoo 18.0 #367

Job	Run time
test (3.8, ubuntu-latest, py)	1m 14s
test (3.8, windows-latest, py)	2m 25s
test (3.8, macos-13, py)	2m 28s
test (3.9, ubuntu-latest, py)	1m 14s
test (3.9, windows-latest, py)	2m 35s
test (3.9, macos-13, py)	2m 54s
test (3.10, ubuntu-latest, py)	1m 17s
test (3.10, windows-latest, py)	2m 33s
test (3.10, macos-13, py)	1m 54s
test (3.11, ubuntu-latest, py)	1m 4s
test (3.11, windows-latest, py)	2m 9s
test (3.11, macos-13, py)	1m 38s
test (3.11, macos-latest, py)	1m 3s
test (3.12, ubuntu-latest, py)	1m 26s
test (3.12, windows-latest, py)	2m 42s
test (3.12, macos-13, py)	1m 55s
test (3.12, macos-latest, py)	1m 23s
test (3.12, ubuntu-latest, lint)	1m 15s
test (3.12, ubuntu-latest, update-readme)	32s
test (3.12, ubuntu-latest, build)	37s
	34m 18s

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