ci: update Linux build runner from ubuntu-20.04 to ubuntu-latest

Author: csjones

.github/workflows/release.yml

@@ -32,7 +32,7 @@ jobs:
 
   linux:
     name: Build Linux binaries
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4