Add FullGroupJoin to release notes

Author: atifaziz

MoreLinq/MoreLinq.csproj

@@ -20,7 +20,7 @@
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
     <PackageId>morelinq</PackageId>
     <PackageTags>linq;extensions</PackageTags>
-    <PackageReleaseNotes>Adds new operators: PadStart. See also https://github.com/morelinq/MoreLINQ/wiki/API-Changes.</PackageReleaseNotes>
+    <PackageReleaseNotes>Adds new operators: PadStart, FullGroupJoin (overloads). See also https://github.com/morelinq/MoreLINQ/wiki/API-Changes.</PackageReleaseNotes>
     <PackageProjectUrl>https://morelinq.github.io/</PackageProjectUrl>
     <PackageLicenseUrl>http://www.apache.org/licenses/LICENSE-2.0</PackageLicenseUrl>
     <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>