Update Ubuntu to 20.04

src/NzbDrone.Mono.Test/EnvironmentInfo/VersionAdapters/ReleaseFileVersionAdapterFixture.cs

@@ -76,8 +76,8 @@ namespace NzbDrone.Mono.Test.EnvironmentInfo.VersionAdapters
             var version = Subject.Read();
             version.Should().NotBeNull();
             version.Name.Should().Be("ubuntu");
-            version.Version.Should().Be("14.04");
-            version.FullName.Should().Be("Ubuntu 14.04.5 LTS");
+            version.Version.Should().Be("20.04");
+            version.FullName.Should().Be("Ubuntu 20.04.6 LTS");
         }
     }
 }

src/NzbDrone.Mono.Test/Files/linux/lsb-release

@@ -1,4 +1,4 @@
 DISTRIB_ID=Ubuntu
-DISTRIB_RELEASE=14.04
-DISTRIB_CODENAME=trusty
-DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS"
+DISTRIB_RELEASE=20.04
+DISTRIB_CODENAME=focal
+DISTRIB_DESCRIPTION="Ubuntu 20.04.6 LTS"

src/NzbDrone.Mono.Test/Files/linux/os-release

@@ -1,9 +1,9 @@
 NAME="Ubuntu"
-VERSION="22.04.4 LTS, Jammy Jellyfish"
+VERSION="20.04.6 LTS, Focal Fossa"
 ID=ubuntu
 ID_LIKE=debian
-PRETTY_NAME="Ubuntu 22.04.4 LTS"
-VERSION_ID="22.04"
+PRETTY_NAME="Ubuntu 20.04.6 LTS"
+VERSION_ID="20.04"
 HOME_URL="http://www.ubuntu.com/"
 SUPPORT_URL="http://help.ubuntu.com/"
 BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"