CI: add swift 5.5 on all platforms

However, linux and windows will fail at the moment.

Author: tsolomko

azure-pipelines.yml

@@ -40,6 +40,11 @@ stages:
           DEVELOPER_DIR: '/Applications/Xcode_12.5.1.app'
           WATCHOS_ACTIONS: 'clean test'
           WATCHOS_SIMULATOR: 'Apple Watch Series 6 - 44mm'
+        macosSwift55:
+          imageName: 'macOS-11'
+          DEVELOPER_DIR: '/Applications/Xcode_13.0.app'
+          WATCHOS_ACTIONS: 'clean test'
+          WATCHOS_SIMULATOR: 'Apple Watch Series 6 - 44mm'
     pool:
       vmImage: $(imageName)
     steps:
@@ -80,6 +85,9 @@ stages:
         linuxSwift54:
           imageName: 'ubuntu-18.04'
           containerImage: 'swift:5.4.3-bionic'
+        linuxSwift55:
+          imageName: 'ubuntu-18.04'
+          containerImage: 'swift:5.5-bionic'
     pool:
       vmImage: $(imageName)
     container: $[ variables['containerImage'] ]
@@ -101,6 +109,9 @@ stages:
         windowsSwift54:
           imageName: 'windows-2019'
           SWIFT_VERSION: '5.4.3'
+        windowsSwift55:
+          imageName: 'windows-2019'
+          SWIFT_VERSION: '5.5'
     pool:
       vmImage: $(imageName)
     variables: