Bump Oracle.ManagedDataAccess.Core from 2.19.120 to 3.21.50

Bumps Oracle.ManagedDataAccess.Core from 2.19.120 to 3.21.50.

---
updated-dependencies:
- dependency-name: Oracle.ManagedDataAccess.Core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/NHibernate.Test/NHibernate.Test.csproj

@@ -81,7 +81,7 @@
     <PackageReference Include="System.CodeDom" Version="4.7.0" />
     <PackageReference Include="System.Data.SqlClient" Version="4.8.2" />
     <PackageReference Include="System.Data.OracleClient" Version="1.0.8" />
-    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.120" />
+    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="3.21.50" />
     <PackageReference Include="System.Data.Odbc" Version="4.7.0" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
     <PackageReference Include="NUnitLite" Version="3.13.2" />