Upgrade .Net SDK to latest 3.1.x (CVE 2022-30184)

Author: Gordon Pham-Nguyen

buildspecs/buildspec.canary.yml

@@ -17,4 +17,8 @@ phases:
       - timeout 15 sh -c "until docker info; do echo .; sleep 1; done"
   build:
     commands:
+      # install the latest patch version of 3.1
+      - curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin -c 3.1
+      - dotnet --version
+      - dotnet nuget --version
       - ./scripts/deploy-canary.sh

buildspecs/buildspec.release.yml

@@ -11,5 +11,9 @@ phases:
       dotnet: 3.1
   build:
     commands:
+      # install the latest patch version of 3.1
+      - curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin -c 3.1
+      - dotnet --version
+      - dotnet nuget --version
       - dotnet restore
       - ./scripts/publish-package.sh

buildspecs/buildspec.yml

@@ -17,6 +17,10 @@ phases:
       - timeout 15 sh -c "until docker info; do echo .; sleep 1; done"
   build:
     commands:
+      # install the latest patch version of 3.1
+      - curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin -c 3.1
+      - dotnet --version
+      - dotnet nuget --version
       - pwd && ./scripts/start-agent.sh
       - dotnet restore
       - dotnet build