#3833 - SIN Validation - Gender Field Limit (#3839)

Altered sims.sin_validations.gender_sent to be VARCHAR(50).

Tested with a pending SIN Validation:


![image](https://github.com/user-attachments/assets/45a94faa-8b2d-40f5-b01d-ab0af6ef3e00)

After running sin-validation-process-integration:


![image](https://github.com/user-attachments/assets/df3fa497-85ad-49f0-9355-9edcba8f8ca7)


Revert: 

![image](https://github.com/user-attachments/assets/104766b5-d103-478a-a904-e7b732cafb16)

sources/packages/backend/apps/db-migrations/src/migrations/1729880822018-SINValidationsGenderSentLengthIncrease.ts

@@ -0,0 +1,18 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+import { getSQLFileData } from "../utilities/sqlLoader";
+
+export class SINValidationsGenderSentLengthIncrease1729880822018
+  implements MigrationInterface
+{
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      getSQLFileData("Alter-column-gender-sent.sql", "SINValidations"),
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      getSQLFileData("Rollback-alter-column-gender-sent.sql", "SINValidations"),
+    );
+  }
+}

sources/packages/backend/apps/db-migrations/src/sql/SINValidations/Alter-column-gender-sent.sql

@@ -0,0 +1,4 @@
+ALTER TABLE
+  sims.sin_validations
+ALTER COLUMN
+  gender_sent TYPE VARCHAR(50);

sources/packages/backend/apps/db-migrations/src/sql/SINValidations/Rollback-alter-column-gender-sent.sql

@@ -0,0 +1,4 @@
+ALTER TABLE
+  sims.sin_validations
+ALTER COLUMN
+  gender_sent TYPE VARCHAR(10);