fix: Update persister_oauth2.go to handle special character | coming in t… #1909

Job	Run time
Generate SDKs	3m 25s
Run OIDC conformity tests	9m 0s
Run HSM tests	6m 26s
Run tests and lints	1m 1s
Run end-to-end tests (memory)	4m 58s
Run end-to-end tests (memory, --jwt)	5m 42s
Run end-to-end tests (postgres)	5m 0s
Run end-to-end tests (postgres, --jwt)	5m 17s
Run end-to-end tests (mysql)	5m 17s
Run end-to-end tests (mysql, --jwt)	5m 0s
Run end-to-end tests (cockroach)	5m 37s
Run end-to-end tests (cockroach, --jwt)	6m 7s
Build CLI docs	0s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Release SDKs	0s
Draft newsletter	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 2m 50s

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