Updates Swift container version

Updates the Swift container version in the Linux workflow
to use version 6.2.0.

This ensures compatibility with the latest Swift features
and improvements.

Author: brillcp

.github/workflows/linux.yaml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: swift:6.0
+    container: swift:6.2.0
     steps:
       - uses: actions/checkout@v4
       - name: Build