Update version for branch

MSP-10238
Switch to structure.sql to support partial indices

MSP-10238
Add partial index to allow unique index on null columns

MSP-10238
Add uniqueness validations to mirror partial unique indices

MSP-10238
Bump schema version
Merge branch 'master' into bug/MSP-10238/unique-cores

* Version bump
* Upstream merge

Conflicts:
	lib/metasploit/credential/version.rb
	spec/dummy/db/structure.sql
Merge pull request #65 from rapid7/bug/MSP-10238/unique-cores

Unique Metasploit::Credential::Cores