Update dotnet dependencies

Author: follesoe

Blueye.Protocol.Protobuf.csproj

@@ -13,12 +13,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.29.0" />
-    <PackageReference Include="Google.Protobuf.Tools" Version="3.29.0">
+    <PackageReference Include="Google.Protobuf" Version="3.29.2" />
+    <PackageReference Include="Google.Protobuf.Tools" Version="3.29.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Grpc.Tools" Version="2.67.0">
+    <PackageReference Include="Grpc.Tools" Version="2.68.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>