Bump mongodb-driver-sync from 4.0.5 to 4.0.6 in /instrument-modules/user-modules/module-mongodb4

[dependabot[bot]]

Bumps mongodb-driver-sync from 4.0.5 to 4.0.6.

Release notes

Sourced from mongodb-driver-sync's releases.

Java Driver 4.0.6 (February 18, 2021)

Release Notes: https://developer.mongodb.com/community/forums/t/mongodb-java-driver-4-0-6-released/16826

Commits

• fecc054 Bump to 4.0.6
• 2e258a5 Fix CVE-2021-20328
• b491206 Use jdk8 by default in shell scripts invoked by CI
• 939a8fc Docs: Driver sync update MongoClient
• f4622c0 Fix MongoClient api docs link
• 8e7ee79 Update compatibility information for 4.0
• e2177dc Update compatibility information for 3.12
• 63a77f0 Docs: Fix bson cross linking to driver-scala/bson
• cea4b53 Support explicit and implicit sessions on standalone servers
• cbacdcc Bump version to 4.0.6-SNAPSHOT
• See full diff in compare view

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