fix: src/REstate.Remote/REstate.Remote.csproj to reduce vulnerabiliti…

…es (#80)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMNETHTTP-60045
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMNETHTTP-60046
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMNETHTTP-60047
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMNETHTTP-60048
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMNETHTTP-72439
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMTEXTREGULAREXPRESSIONS-174708

src/REstate.Remote/REstate.Remote.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc" Version="1.15.0" />
+    <PackageReference Include="Grpc" Version="1.20.0" />
     <PackageReference Include="MagicOnion" Version="0.5.3" />
     <PackageReference Include="MessagePack" Version="1.9.3" />
   </ItemGroup>