Bug Report: GitHub Actions Cache Not Found for Go 1.24 on Ubuntu 24

Description

The cache is not being restored for Go 1.24 when using actions/setup-go@v5 with caching enabled. The error message indicates that the cache key is not found.

Error Message

Warning: Cache not found for keys: setup-go-Linux-x64-ubuntu24-go-1.24.0-c7d09a7bd10e1d8e9f27bae09890ce6d036d31a3fe281a112bf305abd6dfe560

Action Version

actions/setup-go@v5

Platform

• Ubuntu 24
• macOS
• Windows

Runner Type

• GitHub-hosted
• Self-hosted

Tools Version

• Go version: 1.24

Repo Steps

1. Define the following step in a GitHub Actions workflow:

   - name: Setup Go
     uses: actions/setup-go@v5
     with:
       go-version: '1.24'
       cache-dependency-path: '**/go.sum'
   

2. Run the workflow on an Ubuntu 24 Self-hosted runner.
3. Observe the cache not being found and a warning appearing in the logs.

Expected Behaviour

• The workflow should successfully restore the cache for Go modules, improving job speed and avoiding redundant downloads.

Actual Behavior

• The cache is not found, and dependencies must be re-downloaded in every run, negating the benefit of caching.

The issue seems specific to the latest Go version (1.24).