[ci] Add PyPy builds to CI

Signed-off-by: Christopher Arndt <[email protected]>

pyproject.toml

@@ -99,7 +99,7 @@ test-command = "pytest -v -m ci {package}/tests"
 
 # Install system library
 [tool.cibuildwheel.linux]
-build = "cp3{8,9,10,11,12}-manylinux*"
+build = ["cp3{8,9,10,11,12}-manylinux*", "pypy3{8,9,10}-manylinux*"]
 archs = ["auto64"]
 before-all = [
     "dnf -y install alsa-lib-devel alsa-utils",