269 sql script fix (#5579)

Author: prakash100198

scripts/sql/269_alter_image_scan_execution_result_.down.sql

@@ -1,2 +1,2 @@
-ALTER TABLE "image_scan_execution_result" DROP COLUMN "version";
-ALTER TABLE "image_scan_execution_result" DROP COLUMN "fixed_version";
+ALTER TABLE "image_scan_execution_result" DROP COLUMN IF EXISTS "version";
+ALTER TABLE "image_scan_execution_result" DROP COLUMN IF EXISTS "fixed_version";

scripts/sql/269_alter_image_scan_execution_result_.up.sql

@@ -1,2 +1,2 @@
-ALTER TABLE "image_scan_execution_result" ADD COLUMN "version" text;
-ALTER TABLE "image_scan_execution_result" ADD COLUMN "fixed_version" text;
+ALTER TABLE "image_scan_execution_result" ADD COLUMN IF NOT EXISTS "version" text;
+ALTER TABLE "image_scan_execution_result" ADD COLUMN IF NOT EXISTS "fixed_version" text;