Bump FluentMigrator from 3.3.2 to 6.2.0

Bumps [FluentMigrator](https://github.com/fluentmigrator/fluentmigrator) from 3.3.2 to 6.2.0.
- [Release notes](https://github.com/fluentmigrator/fluentmigrator/releases)
- [Changelog](https://github.com/fluentmigrator/fluentmigrator/blob/main/CHANGELOG.md)
- [Commits](fluentmigrator/fluentmigrator@v3.3.2...v6.2.0)

---
updated-dependencies:
- dependency-name: FluentMigrator
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

DigitalLearningSolutions.Data.Migrations/DigitalLearningSolutions.Data.Migrations.csproj

@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Dapper" Version="2.1.35" />
-    <PackageReference Include="FluentMigrator" Version="3.3.2" />
+    <PackageReference Include="FluentMigrator" Version="6.2.0" />
     <PackageReference Include="FluentMigrator.Extensions.SqlServer" Version="3.3.2" />
     <PackageReference Include="Microsoft.Data.SqlClient" Version="5.1.5" />
   </ItemGroup>