community/pyside6: add clang-extra-tools to makedepends
Fixes error found during 3.19 rebuild: https://build.alpinelinux.org/buildlogs/build-3-19-aarch64/community/pyside6/pyside6-6.5.2-r1.log
Fixes error found during 3.19 rebuild: https://build.alpinelinux.org/buildlogs/build-3-19-aarch64/community/pyside6/pyside6-6.5.2-r1.log