Merge branch '2.5.x' into 2.6.x

Closes gh-29923

Author: wilkinsona

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/StandardGitHubRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,6 +50,12 @@ public int openIssue(String title, String body, List<String> labels, Milestone m
 			requestBody.put("labels", labels);
 		}
 		requestBody.put("body", body);
+		try {
+			Thread.sleep(1000);
+		}
+		catch (InterruptedException ex) {
+			Thread.currentThread().interrupt();
+		}
 		ResponseEntity<Map> response = this.rest.postForEntity("issues", requestBody, Map.class);
 		return (Integer) response.getBody().get("number");
 	}