Increment projects copyright year to 2020

Author: YevgeniyShunevych

src/Atata.Configuration.Json.Tests/Atata.Configuration.Json.Tests.csproj

@@ -5,7 +5,7 @@
     <Authors>Yevgeniy Shunevych</Authors>
     <Company>Yevgeniy Shunevych</Company>
     <Product>Atata Framework</Product>
-    <Copyright>© Yevgeniy Shunevych 2019</Copyright>
+    <Copyright>© Yevgeniy Shunevych 2020</Copyright>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/atata-framework/atata-configuration-json</PackageProjectUrl>
     <RepositoryUrl>https://github.com/atata-framework/atata-configuration-json</RepositoryUrl>

src/Atata.Configuration.Json/Atata.Configuration.Json.csproj

@@ -19,7 +19,7 @@ Features:
 - Multi-driver configuration
 - Merged configuration via multiple files
 - Multiple environments support</Description>
-    <Copyright>© Yevgeniy Shunevych 2019</Copyright>
+    <Copyright>© Yevgeniy Shunevych 2020</Copyright>
     <PackageId>Atata.Configuration.Json</PackageId>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/atata-framework/atata-configuration-json</PackageProjectUrl>