CI: update to swift 5.5.1

Author: tsolomko

azure-pipelines.yml

@@ -42,7 +42,7 @@ stages:
           WATCHOS_SIMULATOR: 'Apple Watch Series 6 - 44mm'
         macosSwift55:
           imageName: 'macOS-11'
-          DEVELOPER_DIR: '/Applications/Xcode_13.0.app'
+          DEVELOPER_DIR: '/Applications/Xcode_13.1.app'
           WATCHOS_ACTIONS: 'clean test'
           WATCHOS_SIMULATOR: 'Apple Watch Series 6 - 44mm'
     pool:
@@ -87,7 +87,7 @@ stages:
           containerImage: 'swift:5.4.3-bionic'
         linuxSwift55:
           imageName: 'ubuntu-18.04'
-          containerImage: 'swift:5.5-bionic'
+          containerImage: 'swift:5.5.1-bionic'
     pool:
       vmImage: $(imageName)
     container: $[ variables['containerImage'] ]
@@ -111,7 +111,7 @@ stages:
           SWIFT_VERSION: '5.4.3'
         windowsSwift55:
           imageName: 'windows-2019'
-          SWIFT_VERSION: '5.5'
+          SWIFT_VERSION: '5.5.1'
     pool:
       vmImage: $(imageName)
     variables: