Fix step-ca root CA access on Linux CI

Host chmod cannot open 0700 dirs owned by UID 1000, so
`-f` never sees root_ca.crt. Chmod from inside the
container as root while waiting for the cert.

Signed-off-by: Bryan Frimin <bryan@probo.com>

pkg/coredata/oauth2_client.go

@@ -651,6 +651,7 @@ func NewCIMDClient(
 		if err != nil {
 			return nil, fmt.Errorf("cannot parse logo_uri: %w", err)
 		}
+
 		if !u.IsHTTP() {
 			return nil, fmt.Errorf("logo_uri must be an absolute http or https URL")
 		}
@@ -663,6 +664,7 @@ func NewCIMDClient(
 		if err != nil {
 			return nil, fmt.Errorf("cannot parse client_uri: %w", err)
 		}
+
 		if !u.IsHTTP() {
 			return nil, fmt.Errorf("client_uri must be an absolute http or https URL")
 		}