CI: Remove macos-11 from release testing

It was removed by GitHub in Q2 2024.

.github/workflows/release.yml

@@ -143,7 +143,6 @@ jobs:
           - ubuntu-22.04
           - windows-2019
           - windows-2022
-          - macos-11
           - macos-12
           - macos-13
           - macos-14
@@ -169,11 +168,6 @@ jobs:
             archive_name: rage.zip
             asset_suffix: x86_64-windows.zip
 
-          - os: macos-11
-            name: macos
-            archive_name: rage.tar.gz
-            asset_suffix: x86_64-darwin.tar.gz
-
           - os: macos-12
             name: macos
             archive_name: rage.tar.gz