Update swift-ci to use Swift 5.9.2

to follow the upstream change: swiftlang/swift-docker#368

Author: kateinoigakukun

swift-ci/main/amazon-linux/2/Dockerfile

@@ -45,7 +45,7 @@ RUN mkdir -p /usr/local/lib/python3.7/site-packages/
 RUN easy_install-3.7 six
 
 ARG SWIFT_PLATFORM=amazonlinux2
-ARG SWIFT_VERSION=5.8.1
+ARG SWIFT_VERSION=5.9.2
 ARG SWIFT_BRANCH=swift-${SWIFT_VERSION}-release
 ARG SWIFT_TAG=swift-${SWIFT_VERSION}-RELEASE
 ARG SWIFT_WEBROOT=https://download.swift.org

swift-ci/main/ubuntu/18.04/Dockerfile

@@ -36,7 +36,7 @@ RUN apt -y update && apt -y install \
   uuid-dev
 
 ARG SWIFT_PLATFORM=ubuntu18.04
-ARG SWIFT_VERSION=5.8.1
+ARG SWIFT_VERSION=5.9.2
 ARG SWIFT_BRANCH=swift-${SWIFT_VERSION}-release
 ARG SWIFT_TAG=swift-${SWIFT_VERSION}-RELEASE
 ARG SWIFT_WEBROOT=https://download.swift.org

swift-ci/main/ubuntu/20.04/Dockerfile

@@ -35,7 +35,7 @@ RUN apt-get -y update && apt-get -y install \
   uuid-dev
 
 ARG SWIFT_PLATFORM=ubuntu20.04
-ARG SWIFT_VERSION=5.8.1
+ARG SWIFT_VERSION=5.9.2
 ARG SWIFT_BRANCH=swift-${SWIFT_VERSION}-release
 ARG SWIFT_TAG=swift-${SWIFT_VERSION}-RELEASE
 ARG SWIFT_WEBROOT=https://download.swift.org

swift-ci/main/ubuntu/22.04/Dockerfile

@@ -35,7 +35,7 @@ RUN apt-get -y update && apt-get -y install \
   uuid-dev
 
 ARG SWIFT_PLATFORM=ubuntu22.04
-ARG SWIFT_VERSION=5.8.1
+ARG SWIFT_VERSION=5.9.2
 ARG SWIFT_BRANCH=swift-${SWIFT_VERSION}-release
 ARG SWIFT_TAG=swift-${SWIFT_VERSION}-RELEASE
 ARG SWIFT_WEBROOT=https://download.swift.org