ci: Add --skip flags for Swift 6.1 matrix job

Author: euanh

.github/workflows/main.yml

@@ -15,6 +15,7 @@ jobs:
             linux_5_9_enabled: false
             linux_5_10_enabled: false
             linux_6_0_arguments_override: "--skip SmokeTests --skip TarInteropTests"
+            linux_6_1_arguments_override: "--skip SmokeTests --skip TarInteropTests"
             linux_nightly_6_1_arguments_override: "--skip SmokeTests --skip TarInteropTests"
             linux_nightly_main_arguments_override: "--skip SmokeTests --skip TarInteropTests"
 

.github/workflows/pull_request.yml

@@ -22,6 +22,7 @@ jobs:
             linux_5_9_enabled: false
             linux_5_10_enabled: false
             linux_6_0_arguments_override: "--skip SmokeTests --skip TarInteropTests"
+            linux_6_1_arguments_override: "--skip SmokeTests --skip TarInteropTests"
             linux_nightly_6_1_arguments_override: "--skip SmokeTests --skip TarInteropTests"
             linux_nightly_main_arguments_override: "--skip SmokeTests --skip TarInteropTests"