localization: Move from `orangecanvas.utils` to `orangecanvas` #489

Job	Run time
test (ubuntu-20.04, 3.9, PyQt5~=5.14.0)	51s
test (ubuntu-20.04, 3.10, PyQt5~=5.15.0)	53s
test (ubuntu-20.04, 3.11, PyQt5~=5.15.0)	1m 14s
test (ubuntu-20.04, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	1m 9s
test (ubuntu-22.04, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0, glibc-tools)	54s
test (ubuntu-22.04, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0, glibc-tools)	1m 24s
test (ubuntu-22.04, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0, glibc-tools)	2m 0s
test (macos-13, 3.9, PyQt5~=5.14.0)	1m 6s
test (macos-13, 3.10, PyQt5~=5.15.0)	1m 4s
test (macos-14, 3.11, PyQt5~=5.15.0)	36s
test (macos-15, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	55s
test (macos-latest, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	41s
test (macos-latest, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	46s
test (macos-latest, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0)	40s
test (windows-2019, 3.9, PyQt5~=5.15.0)	1m 9s
test (windows-2019, 3.10, PyQt5~=5.15.0)	4m 47s
test (windows-2019, 3.11, PyQt5~=5.15.0)	2m 14s
test (windows-2019, 3.11, PyQt6~=6.2.3 PyQt6-Qt6~=6.2.3)	1m 45s
test (windows-2019, 3.11, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	2m 5s
test (windows-2019, 3.12, PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0)	1m 45s
test (windows-2019, 3.13, PyQt6~=6.7.0 PyQt6-Qt6~=6.7.0)	2m 2s
	30m 0s

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