Update minimum swift version to 6 for swift-openapi-generator

Author: wei18

.github/workflows/DependabotPulls.yml

@@ -19,8 +19,7 @@ jobs:
           # - macos-latest #Fix: The macos-latest workflow label currently uses the macOS 12 runner image.
           # - macos-13
         swift: 
-          - 5
-          # - 6
+          - 6
     runs-on: ${{ matrix.os }}
     timeout-minutes: 100
     steps:

.github/workflows/Test.yml

@@ -19,7 +19,8 @@ jobs:
         os:
           - ubuntu-latest
           # - macos-latest
-        swift: ["5.9"]
+        swift:
+          - 6
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     steps: