Merge pull request #23 from IBM/update_action_runners

Drop ubuntu-20.04 now that it's removed by GitHub

Author: Fryguy

.github/workflows/test.yml

@@ -206,7 +206,6 @@ jobs:
         - ubuntu-24.04-arm
         - ubuntu-22.04
         - ubuntu-22.04-arm
-        - ubuntu-20.04
         - macos-latest
         - macos-15
         - macos-14

README.md

@@ -83,7 +83,7 @@ The action works on these [GitHub-hosted runners](https://docs.github.com/en/act
 
 | OS      | Supported        |
 | ------- | ---------------- |
-| Ubuntu  | `ubuntu-24.04` (`ubuntu-latest`), `ubuntu-24.04-arm`, `ubuntu-22.04`, `ubuntu-22.04-arm` `ubuntu-20.04` |
+| Ubuntu  | `ubuntu-24.04` (`ubuntu-latest`), `ubuntu-24.04-arm`, `ubuntu-22.04`, `ubuntu-22.04-arm` |
 | macOS   | `macos-15`, `macos-14` (`macos-latest`), `macos-13` |
 | Windows | `windows-2025`, `windows-2022` (`windows-latest`), `windows-2019` |