Revert "Upgrade to Undertow 2.2.21.Final"

snicoll · snicoll · commit e03c2e876ace · 2022-11-15T14:19:05.000+01:00
This reverts commit 51a1673. See gh-33165
diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1882,7 +1882,7 @@ bom {
 			]
 		}
 	}
-	library("Undertow", "2.2.21.Final") {
+	library("Undertow", "2.2.20.Final") {
 		group("io.undertow") {
 			modules = [
 				"undertow-core",
