Update version prefix after merge

Author: Bart Koelman

Directory.Build.props

@@ -5,7 +5,7 @@
     <EFCoreVersion>5.0.*</EFCoreVersion>
     <NpgsqlPostgreSQLVersion>5.0.*</NpgsqlPostgreSQLVersion>
     <SwashbuckleVersion>6.2.*</SwashbuckleVersion>
-    <JsonApiDotNetCoreVersionPrefix>4.2.0</JsonApiDotNetCoreVersionPrefix>
+    <JsonApiDotNetCoreVersionPrefix>5.0.0</JsonApiDotNetCoreVersionPrefix>
     <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)CodingGuidelines.ruleset</CodeAnalysisRuleSet>
     <WarningLevel>9999</WarningLevel>
     <Nullable>enable</Nullable>