Update pull_request.yml

Author: MaxDesiatov

.github/workflows/pull_request.yml

@@ -5,27 +5,11 @@ on:
     types: [opened, reopened, synchronize]
 
 jobs:
-  tests_5_9:
-    name: Test 5.9-compatible Linux distributions
+  tests:
+    name: Test
     uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
     with:
-      linux_os_versions: '["amazonlinux2", "jammy", "focal", "rhel-ubi9"]'
-      linux_swift_versions: '["5.9", "5.10", "6.0", "6.1", "nightly-6.2", "nightly-main"]'
-      linux_pre_build_command: |
-        if command -v apt-get >/dev/null 2>&1 ; then # bookworm, noble, jammy, focal
-          apt-get update -y
-          apt-get install -y locales locales-all libsqlite3-dev
-        elif command -v yum >/dev/null 2>&1 ; then # amazonlinux2
-          yum update -y
-          yum install -y sqlite-devel
-        fi
-      enable_windows_checks: false
-
-  tests_6_0:
-    name: Test 6.0-compatible Linux distributions
-    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
-    with:
-      linux_os_versions: '["bookworm", "noble"]'
+      linux_os_versions: '["amazonlinux2", "bookworm", "jammy", "focal", "noble", "rhel-ubi9"]'
       linux_swift_versions: '["6.0", "6.1", "nightly-6.2", "nightly-main"]'
       linux_pre_build_command: |
         if command -v apt-get >/dev/null 2>&1 ; then # bookworm, noble, jammy, focal
@@ -36,6 +20,7 @@ jobs:
           yum install -y sqlite-devel
         fi
       enable_windows_checks: false
+
   soundness:
     name: Soundness
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main