Add method `getTagValue` that generalizes `getCategory` (#2082) #1958

Job	Run time
test-linux	3m 8s
builds	16m 10s
tests (windows-latest)	4m 36s
tests (macos-latest)	4m 54s
tests (buildjet-4vcpu-ubuntu-2204-arm)	8m 56s
	37m 44s

Provide feedback