Add a release test for Linux RHEL9

Author: cmcgee1024

.github/workflows/pull_request.yml

@@ -28,3 +28,14 @@ jobs:
       linux_exclude_swift_versions: "[{\"swift_version\": \"nightly-main\"},{\"swift_version\": \"nightly-6.0\"},{\"swift_version\": \"5.8\"},{\"swift_version\": \"5.9\"},{\"swift_version\": \"5.10\"}]"
       linux_pre_build_command: ((apt-get update && apt-get -y install curl make) || ((curl --help || yum -y install curl) && yum -y install make)) && ./scripts/install-libarchive.sh
       enable_windows_checks: false
+
+  release-tests:
+    name: Release Test
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+      linux_os_oversions: "[\"rhel-ubi9\"]"
+      # We only care about the current stable release, because that's where we make our swiftly releases
+      linux_exclude_swift_versions: "[{\"swift_version\": \"nightly-main\"},{\"swift_version\": \"nightly-6.0\"},{\"swift_version\": \"5.8\"},{\"swift_version\": \"5.9\"},{\"swift_version\": \"5.10\"}]"
+      linux_pre_build_command: ((apt-get update && apt-get -y install curl make) || ((curl --help || yum -y install curl) && yum -y install make)) && ./scripts/install-libarchive.sh
+      linux_build_command: swift run build-swiftly-release --skip 0.4.0
+      enable_windows_checks: false