Update migration 00030_host_sectors (#1713)

DB shouldn't have these tables but seems like I forgot to add `DROP
TABLE IF EXISTS` statements.

.changeset/fix_migration_00030_host_sectors.md

@@ -0,0 +1,5 @@
+---
+default: minor
+---
+
+# Fix 00030_host_sectors migration on DBs that have a host_sectors table

stores/sql/mysql/migrations/main/migration_00030_host_sectors.sql

@@ -1,3 +1,5 @@
+DROP TABLE IF EXISTS `host_sectors`;
+
 CREATE TABLE `host_sectors` (
   `updated_at` datetime(3) DEFAULT NULL,
   `db_sector_id` bigint unsigned NOT NULL,

stores/sql/sqlite/migrations/main/migration_00030_host_sectors.sql

@@ -1,3 +1,5 @@
+DROP TABLE IF EXISTS `host_sectors`;
+
 CREATE TABLE `host_sectors` (`updated_at` datetime, `db_sector_id` integer,`db_host_id` integer,PRIMARY KEY (`db_sector_id`,`db_host_id`),CONSTRAINT `fk_host_sectors_db_sector` FOREIGN KEY (`db_sector_id`) REFERENCES `sectors`(`id`) ON DELETE CASCADE,CONSTRAINT `fk_contract_sectors_db_host` FOREIGN KEY (`db_host_id`) REFERENCES `hosts`(`id`) ON DELETE CASCADE);
 CREATE INDEX `idx_host_sectors_updated_at` ON `host_sectors`(`updated_at`);
 CREATE INDEX `idx_host_sectors_db_host_id` ON `host_sectors`(`db_host_id`);