Bump Bitwarden.Server.Sdk version to 0.3.1-beta.4 (#97)

Co-authored-by: github-actions <[email protected]>

Author: github-actions[bot]

extensions/Bitwarden.Server.Sdk/src/Bitwarden.Server.Sdk.csproj

@@ -13,7 +13,7 @@
 
     <VersionPrefix>0.3.1</VersionPrefix>
     <PreReleaseVersionLabel>beta</PreReleaseVersionLabel>
-    <PreReleaseVersionIteration>3</PreReleaseVersionIteration>
+    <PreReleaseVersionIteration>4</PreReleaseVersionIteration>
     <VersionSuffix Condition="'$(VersionSuffix)' == '' AND '$(IsPreRelease)' == 'true'">$(PreReleaseVersionLabel).$(PreReleaseVersionIteration)</VersionSuffix>
     <ImplicitUsings>true</ImplicitUsings>
     <Nullable>enable</Nullable>