drop support for python 3.8 (#1126) #2945

Job	Run time
build packages	16s
code-quality	1m 33s
unit test / python 3.9	59s
unit test / python 3.10	51s
unit test / python 3.11	59s
verify packages / python 3.9 / ubuntu-latest	25s
verify packages / python 3.10 / ubuntu-latest	26s
verify packages / python 3.11 / ubuntu-latest	28s
verify packages / python 3.9 / macos-12	42s
verify packages / python 3.10 / macos-12	39s
verify packages / python 3.11 / macos-12	43s
verify packages / python 3.9 / windows-latest	1m 47s
verify packages / python 3.10 / windows-latest	1m 44s
verify packages / python 3.11 / windows-latest	1m 37s
	13m 9s

Provide feedback