Move updateOrganizationContext mutation to organization.graphql

Keep console base.graphql with only an empty type Mutation,
consistent with connect and trust base files.

Signed-off-by: Émile Ré <emile@getprobo.com>

pkg/server/api/console/v1/graphql/organization.graphql

@@ -336,3 +336,9 @@ type Organization implements Node {
 
     permission(action: String!): Boolean! @goField(forceResolver: true)
 }
+
+extend type Mutation {
+    updateOrganizationContext(
+        input: UpdateOrganizationContextInput!
+    ): UpdateOrganizationContextPayload!
+}