Bump the babel group across 1 directory with 2 updates

Bumps the babel group with 2 updates in the /backend directory: [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) and [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env).


Updates `@babel/core` from 7.26.0 to 7.26.9
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.26.9/packages/babel-core)

Updates `@babel/preset-env` from 7.26.0 to 7.26.9
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.26.9/packages/babel-preset-env)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: babel
- dependency-name: "@babel/preset-env"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: babel
...

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

Author: dependabot[bot]

backend/package.json

@@ -24,10 +24,10 @@
   },
   "dependencies": {
     "@babel/cli": "~7.26.4",
-    "@babel/core": "^7.26.0",
+    "@babel/core": "^7.26.9",
     "@babel/node": "~7.26.0",
     "@babel/plugin-proposal-throw-expressions": "^7.25.9",
-    "@babel/preset-env": "~7.26.0",
+    "@babel/preset-env": "~7.26.9",
     "@babel/register": "^7.23.7",
     "@sentry/node": "^5.15.4",
     "apollo-cache-inmemory": "~1.6.6",