[Snyk] Security upgrade mongodb from 2.2.36 to 3.1.3

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • backend/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	630/1000 Why? Has a fix available, CVSS 8.1	Internal Property Tampering SNYK-JS-BSON-561052	Yes	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: mongodb

The new version differs by 250 commits.

• 79da11f 3.1.3
• 337cb79 feat(core): update to mongodb-core 3.1.2
• ff5fafc refactor(topology-base): `getServer` => `selectServer`
• b33fc74 3.1.2
• 78f6977 fix(mongo_client): translate options for connectWithUrl
• 36e92f1 fix(db_ops): call collection.find() with correct parameters (#1795)
• 759dd85 fix(buffer): replace deprecated Buffer constructor
• cb9d915 docs(connect): remove references to MongoClient.connect
• b8d2f1d fix(teardown): properly destroy a topology when initial connect fails
• 64027e8 refactor(export): expose CommandCursor
• 6ef85c4 refactor(export): expose AggregationCursor
• 13d776f fix(cursor): set readPreference for cursor.count
• a5d0f1d feat(deprecation): wrap deprecated functions
• 4f907a0 feat(deprecation): create deprecation function
• 666b8fa refactor(bulk): Unify bulk operations
• a0d84f6 test(evergreen): adding evergreen config to native driver
• b8471f1 fix(collection): isCapped returns false instead of undefined
• 86344f4 fix(collection): ensure findAndModify always use readPreference primary
• c25c519 test(countDocuments): full test coverage for countDocuments
• 25ca557 docs(contributing): fix link to HISTORY.md
• 4395110 chore(MongoClient): add missing legacy option name on warning message
• 297d843 docs(sessions): updating docs for sessions
• 15dc808 fix(db_ops): fix two incorrectly named variables
• fca1185 fix(count-documents): return callback on error case

See the full diff

Check the changes in this PR to ensure they won't cause issues with your project.

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information:
🧐 View latest project report

🛠 Adjust project settings

📚 Read more about Snyk's upgrade and patch logic