chore: remove parallel running in integration tests (#8904)

# Which Problems Are Solved

Integration tests are flaky due to eventual consistency.

# How the Problems Are Solved

Remove t.Parallel so that less concurrent requests on multiple instance
happen. This allows the projections to catch up more easily.

# Additional Changes

- none

# Additional Context

- none

internal/api/oidc/integration_test/token_jwt_profile_test.go

@@ -21,8 +21,6 @@ import (
 )
 
 func TestServer_JWTProfile(t *testing.T) {
-	t.Parallel()
-
 	user, name, keyData, err := Instance.CreateOIDCJWTProfileClient(CTX)
 	require.NoError(t, err)