chore: Test commit

Author: eugengoroluov

.cirrus.yml

@@ -55,7 +55,7 @@ task:
 task:
   name: Linux .Net
   container:
-    image: microsoft/dotnet/core/sdk
+    image: dotnet/core/sdk
   git_submodule_update_init_script: git submodule update --init --recursive
   check_version_script: dotnet --version
   apt_update_script: apt update

.travis.yml

@@ -4,7 +4,7 @@ matrix:
       os: linux
       language: csharp
       mono: none
-      dotnet: 2.2
+      dotnet: 3.0
       dist: xenial
       after_success:
         - bash <(curl -s https://codecov.io/bash) -F Linux