Build and test ijson #148

Job	Run time
Build ijson and run unit tests (ubuntu-latest, 3.7)	26s
Build ijson and run unit tests (ubuntu-latest, 3.8)	21s
Build ijson and run unit tests (ubuntu-latest, 3.9)	22s
Build ijson and run unit tests (ubuntu-latest, 3.10)	17s
Build ijson and run unit tests (ubuntu-latest, 3.11)	19s
Build ijson and run unit tests (ubuntu-latest, 3.12)	22s
Build ijson and run unit tests (ubuntu-latest, 3.13-dev)	30s
Build ijson and run unit tests (windows-2019, 3.7)	1m 4s
Build ijson and run unit tests (windows-2019, 3.8)	48s
Build ijson and run unit tests (windows-2019, 3.9)	1m 47s
Build ijson and run unit tests (windows-2019, 3.10)	1m 38s
Build ijson and run unit tests (windows-2019, 3.11)	1m 37s
Build ijson and run unit tests (windows-2019, 3.12)	1m 22s
Build ijson and run unit tests (windows-2019, 3.13-dev)	2m 40s
Build ijson and run unit tests (macos-12, 3.7)	27s
Build ijson and run unit tests (macos-12, 3.8)	26s
Build ijson and run unit tests (macos-12, 3.9)	26s
Build ijson and run unit tests (macos-12, 3.10)	27s
Build ijson and run unit tests (macos-12, 3.11)	26s
Build ijson and run unit tests (macos-12, 3.12)	31s
Build ijson and run unit tests (macos-12, 3.13-dev)	1m 1s
Build ijson and run unit tests (ubuntu-latest, pypy3.10)	38s
	17m 55s

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