Enable main CI (#77)

Enable 6.2 and 6.3 CI checks for `main`.

Author: aryan-25

.github/workflows/main.yml

@@ -14,14 +14,10 @@ jobs:
     name: Unit tests
     uses: apple/swift-nio/.github/workflows/unit_tests.yml@main
     with:
-      linux_5_10_enabled: false
       linux_6_0_enabled: false
       linux_6_1_enabled: false
-      # linux_6_1_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
-      linux_6_2_enabled: false
-      # linux_6_2_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
-      linux_6_3_enabled: false
-      # 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 -Xswiftc -require-explicit-sendable"
+      linux_6_3_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
       linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
       linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
 
@@ -33,6 +29,5 @@ jobs:
     name: Release builds
     uses: apple/swift-nio/.github/workflows/release_builds.yml@main
     with:
-      linux_5_10_enabled: false
       linux_6_0_enabled: false
       linux_6_1_enabled: false