"Update the constants for 4.9
- Update multiversion tests following 4.9 branch
SERVER-31553for the work done when branching 3.6. Similar to SERVER-27107, after branching 4.9, we should bump the version in the following places:
- For master branch:
- update multiversion to download 4.9: https://github.com/mongodb/mongo/blob/r4.9-rc0/etc/evergreen.yml#L975
- update MongoRunner.binVersionSubs
- bump verify_versions_test.js from 4.9 to 5.0
- remove any multiversion tests that are specifically testing 4.8 <~~> 4.9 upgrade/downgrade scenarios.
Update verify_versions_test.js for the new version.
Update setup_multiversion_config.yml on master with new Evergreen projects for the released versions"