Bump mysql2 from 3.14.3 to 3.15.3

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 3.14.3 to 3.15.3.
- [Release notes](https://github.com/sidorares/node-mysql2/releases)
- [Changelog](https://github.com/sidorares/node-mysql2/blob/master/Changelog.md)
- [Commits](sidorares/node-mysql2@v3.14.3...v3.15.3)

---
updated-dependencies:
- dependency-name: mysql2
  dependency-version: 3.15.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

yarn.lock

@@ -1865,6 +1865,13 @@ iconv-lite@^0.6.3:
   dependencies:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
+iconv-lite@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.7.0.tgz#c50cd80e6746ca8115eb98743afa81aa0e147a3e"
+  integrity sha512-cf6L2Ds3h57VVmkZe+Pn+5APsT7FpqJtEhhieDCvrE2MK5Qk9MyffgQyuxQTm6BChfeZNtcOLHp9IcWRVcIcBQ==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3.0.0"
+
 ignore@^5.2.0:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.3.2.tgz#3cd40e729f3643fd87cb04e50bf0eb722bc596f5"
@@ -2225,14 +2232,14 @@ ms@^2.1.3:
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
 mysql2@^3.14.1:
-  version "3.14.3"
-  resolved "https://registry.yarnpkg.com/mysql2/-/mysql2-3.14.3.tgz#52aa6266b416d8b629bf398ba2be9840492b9b08"
-  integrity sha512-fD6MLV8XJ1KiNFIF0bS7Msl8eZyhlTDCDl75ajU5SJtpdx9ZPEACulJcqJWr1Y8OYyxsFc4j3+nflpmhxCU5aQ==
+  version "3.15.3"
+  resolved "https://registry.yarnpkg.com/mysql2/-/mysql2-3.15.3.tgz#f0348d9c7401bb98cb1f45ffc5a773b109f70808"
+  integrity sha512-FBrGau0IXmuqg4haEZRBfHNWB5mUARw6hNwPDXXGg0XzVJ50mr/9hb267lvpVMnhZ1FON3qNd4Xfcez1rbFwSg==
   dependencies:
     aws-ssl-profiles "^1.1.1"
     denque "^2.1.0"
     generate-function "^2.3.1"
-    iconv-lite "^0.6.3"
+    iconv-lite "^0.7.0"
     long "^5.2.1"
     lru.min "^1.0.0"
     named-placeholders "^1.1.3"