chore(main): release lib/identifier 0.3.0 #14366

Job	Run time
changes	10s
otdfctl e2e tests	10m 22s
benchmark tests	5m 13s
image build	1m 58s
Cucumber BDD Tests	6m 9s
go (sdk)	2m 32s
go (lib/flattening)	55s
go (lib/ocrypto)	58s
integration tests	5m 11s
go (service)	6m 12s
go (tests-bdd)	3m 51s
go (lib/identifier)	55s
platform-xtest / resolve-versions	8s
license check	1m 2s
go (lib/fixtures)	1m 10s
go (examples)	1m 36s
platform-xtest / xct (pull-3056, java)	8m 29s
platform-xtest / xct (pull-3056, go)	10m 3s
platform-xtest / xct (v0.9.0, go)	10m 12s
platform-xtest / xct (pull-3056, js)	7m 10s
platform-xtest / xct (v0.9.0, js)	7m 21s
platform-xtest / xct (v0.9.0, java)	8m 43s
Protocol Buffer Lint and Gencode Up-to-date check	0s
benchmark tests	7s
platform-xtest / publish-results	5s
platform-xtest / xtest	4s
ci	4s
	1h 40m 40s

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