Support for specification-compliant verification method type `JsonWebKey2020` #4947

Job	Run time
check-for-run-condition	1s
check-for-modification	6s
build-wasm / build-wasm (ubuntu-latest)	4m 53s
build-and-test (ubuntu-latest)	10m 23s
build-and-test (macos-latest)	5m 6s
build-and-test (windows-latest)	18m 6s
test-wasm (ubuntu-latest)	3m 26s
	42m 1s

Provide feedback