Disable explicit sendable for now

Author: gjcairo

.github/workflows/pull_request.yml

@@ -25,7 +25,7 @@ jobs:
             linux_6_1_enabled: false
             # linux_6_1_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
             linux_6_2_enabled: true
-            linux_6_2_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+            linux_6_2_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
             linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error"
             linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error"