chore: update dependency loopback-connector-mysql to ^7.0.4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

acceptance/repository-mysql/package.json

@@ -37,7 +37,7 @@
     "@loopback/repository-tests": "^0.23.3",
     "@loopback/testlab": "^6.1.3",
     "@types/node": "^16.18.66",
-    "loopback-connector-mysql": "^7.0.3",
+    "loopback-connector-mysql": "^7.0.4",
     "tslib": "^2.6.2"
   }
 }