Update pyagl to latest version

Update pyagl to latest version

This will include:
8f44a95 Allow pyagl CAN test test_write_wo_auth to xfail

Change-Id: I275f4a2213758d979cfb02bda7fd18f5386a2fbe
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/25464
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>