fix(db-postgres): camelCase point fields (#13519)

Fixes https://github.com/payloadcms/payload/issues/13394

test/fields/payload-types.ts

@@ -1294,6 +1294,11 @@ export interface PointField {
    * @maxItems 2
    */
   point: [number, number];
+  /**
+   * @minItems 2
+   * @maxItems 2
+   */
+  camelCasePoint?: [number, number] | null;
   /**
    * @minItems 2
    * @maxItems 2
@@ -2895,6 +2900,7 @@ export interface NumberFieldsSelect<T extends boolean = true> {
  */
 export interface PointFieldsSelect<T extends boolean = true> {
   point?: T;
+  camelCasePoint?: T;
   localized?: T;
   group?:
     | T