Use Swift 6.2 as latest (#2020)

Author: jbelkins

.github/workflows/continuous-integration.yml

@@ -134,7 +134,7 @@ jobs:
           - jammy
         version:
           - "5.9"
-          - "6.1"
+          - "6.2"
     env:
       ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     steps:

.github/workflows/integration-test.yml

@@ -143,7 +143,7 @@ jobs:
           - jammy
         version:
           - "5.9"
-          - "6.1"
+          - "6.2"
     env:
       ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     steps: