feat: make portal-client dependency optional #5140

Job	Run time
Audit	10s
E2E tests (ubuntu-latest)	7m 1s
Format check	45s
E2E tests (windows-latest)	11m 41s
E2E tests (macos-latest)	5m 10s
Integration tests (ubuntu-latest)	50s
Integration tests (windows-latest)	1m 55s
Integration tests (macos-latest)	53s
Linter	1m 31s
Unit tests (ubuntu-latest)	53s
Build	1m 33s
Unit tests (windows-latest)	1m 38s
Unit tests (macos-latest)	52s
	34m 52s

Provide feedback