updated description in CRD

Author: philrhurst

config/crd/bases/postgres-operator.crunchydata.com_pgadmins.yaml

@@ -1357,7 +1357,7 @@ spec:
                     description: |-
                       OauthConfigurations allows the user to reference one or more Secrets
                       containing OAUTH2 configuration settings for pgAdmin.
-                      Each Secret shall contain a single data key called oauth-config.json
+                      Each Secret shall contain a single data key called oauth-config
                       whose value is a JSON object containing the OAUTH2 configuration settings.
                       More info: https://www.pgadmin.org/docs/pgadmin4/latest/oauth2.html
                     items: