Issue #3432489: Warn users that PHP file syncer will be removed in 3.1.0

package_manager/src/Validator/RsyncValidator.php

@@ -72,7 +72,7 @@ final class RsyncValidator implements EventSubscriberInterface {
     if ($configured_syncer === 'php') {
       // Only status checks support warnings.
       if ($event instanceof StatusCheckEvent) {
-        $message = $this->t('You are currently using the PHP file syncer, which has known problems and is not stable. It is strongly recommended to switch back to the default <em>rsync</em> file syncer instead.');
+        $message = $this->t('You are currently using the PHP file syncer, which has known problems and is not stable. <strong>The PHP file syncer will be removed in Package Manager 3.1.0.</strong> Switch back to the default <em>rsync</em> file syncer to continue using Package Manager.');
 
         if (!$rsync_found) {
           $message = $this->t('@message <code>rsync</code> was not found on your system.', ['@message' => $message]);

package_manager/tests/src/Kernel/RsyncValidatorTest.php

@@ -65,7 +65,7 @@ class RsyncValidatorTest extends PackageManagerKernelTestBase {
         'php',
         [
           ValidationResult::createWarning([
-            t('You are currently using the PHP file syncer, which has known problems and is not stable. It is strongly recommended to switch back to the default <em>rsync</em> file syncer instead.'),
+            t('You are currently using the PHP file syncer, which has known problems and is not stable. <strong>The PHP file syncer will be removed in Package Manager 3.1.0.</strong> Switch back to the default <em>rsync</em> file syncer to continue using Package Manager.'),
           ]),
         ],
         [],
@@ -74,7 +74,7 @@ class RsyncValidatorTest extends PackageManagerKernelTestBase {
         'php',
         [
           ValidationResult::createWarning([
-            t('You are currently using the PHP file syncer, which has known problems and is not stable. It is strongly recommended to switch back to the default <em>rsync</em> file syncer instead. See the <a href="/admin/help/package_manager#package-manager-faq-rsync">Package Manager help</a> for more information on how to resolve this.'),
+            t('You are currently using the PHP file syncer, which has known problems and is not stable. <strong>The PHP file syncer will be removed in Package Manager 3.1.0.</strong> Switch back to the default <em>rsync</em> file syncer to continue using Package Manager. See the <a href="/admin/help/package_manager#package-manager-faq-rsync">Package Manager help</a> for more information on how to resolve this.'),
           ]),
         ],
         ['help'],