Bump mysql2 in /backend in the prod-patch-updates group

Bumps the prod-patch-updates group in /backend with 1 update: [mysql2](https://github.com/sidorares/node-mysql2).


Updates `mysql2` from 3.17.3 to 3.17.5
- [Release notes](https://github.com/sidorares/node-mysql2/releases)
- [Changelog](https://github.com/sidorares/node-mysql2/blob/master/Changelog.md)
- [Commits](https://github.com/sidorares/node-mysql2/compare/v3.17.3...v3.17.5)

---
updated-dependencies:
- dependency-name: mysql2
  dependency-version: 3.17.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-patch-updates
...

Signed-off-by: dependabot[bot] <support@github.com>

backend/package.json

@@ -28,7 +28,7 @@
 		"liquidjs": "10.24.0",
 		"lodash": "^4.17.23",
 		"moment": "^2.30.1",
-		"mysql2": "^3.17.3",
+		"mysql2": "^3.17.5",
 		"node-rsa": "^1.1.1",
 		"objection": "3.1.5",
 		"otplib": "^13.3.0",

backend/yarn.lock

@@ -1877,10 +1877,10 @@ ms@^2.0.0, ms@^2.1.1, ms@^2.1.3:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
-mysql2@^3.17.3:
-  version "3.17.3"
-  resolved "https://registry.yarnpkg.com/mysql2/-/mysql2-3.17.3.tgz#aa19f55dd7efc5b28e19f020153d0fb64535539f"
-  integrity sha512-uCLmQMe1l96Sb6J3Ii8YJTOWJkhRmxlLJFdOfhD68jPpGTzK2fxEkFMpf5gewyHgUB0FJKzuAuPhYS+oPB0/vA==
+mysql2@^3.17.5:
+  version "3.17.5"
+  resolved "https://registry.yarnpkg.com/mysql2/-/mysql2-3.17.5.tgz#c0a0fdd73812ba65d08d47ee639df5ec46409087"
+  integrity sha512-Qb5kOObI10PUTjMRrvJhegiu2i7EmbCm2F2tbYHp9gCfpbLWjk39+TeoA6ususBc8xZa3pmRI6z0kPQldpcA8A==
   dependencies:
     aws-ssl-profiles "^1.1.2"
     denque "^2.1.0"