Update Ubuntu version to latest in release workflow

Author: jdrupal-dev

.github/workflows/release.yml

@@ -17,11 +17,11 @@ jobs:
       matrix:
         platform:
           - os_name: Linux-aarch64
-            os: ubuntu-20.04
+            os: ubuntu-latest
             target: aarch64-unknown-linux-musl
             bin: drupal_ls-linux-arm64
           - os_name: Linux-x86_64
-            os: ubuntu-20.04
+            os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
             bin: drupal_ls-linux-amd64
           - os_name: Windows-x86_64