Add rollForward note in README, improve proxy health check in e2e tests and bump version to v5.3.0

.github/workflows/e2e-tests.yml

@@ -577,6 +577,11 @@ jobs:
         image: ubuntu/squid:latest
         ports:
           - 3128:3128
+        options: >-
+          --health-cmd "bash -c '</dev/tcp/localhost/3128'"
+          --health-interval 5s
+          --health-timeout 3s
+          --health-retries 10
     env:
       https_proxy: http://squid-proxy:3128
       http_proxy: http://squid-proxy:3128

README.md

@@ -142,6 +142,8 @@ steps:
   working-directory: csharp
 ```
 
+> **Note**: The action supports `latest*` variants of the [rollForward](https://learn.microsoft.com/en-us/dotnet/core/tools/global-json#rollforward) field in `global.json`. When set to `latestPatch`, `latestFeature`, `latestMinor`, or `latestMajor`, the action installs the appropriate SDK version.
+
 ## Caching NuGet Packages
 The action has a built-in functionality for caching and restoring dependencies. It uses [toolkit/cache](https://github.com/actions/toolkit/tree/main/packages/cache) under the hood for caching global packages data but requires less configuration settings. The `cache` input is optional, and caching is turned off by default.
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-dotnet",
-  "version": "5.0.1",
+  "version": "5.3.0",
   "private": true,
   "description": "setup dotnet action",
   "main": "dist/setup/index.js",