Update org.springframework to 5.3.15

Steve Riesenberg · Steve Riesenberg · commit 28ea347b5ac6 · 2022-01-14T11:58:45.000-06:00
Closes gh-10730
diff --git a/gradle.properties b/gradle.properties
@@ -1,7 +1,7 @@
 aspectjVersion=1.9.8.RC3
 springJavaformatVersion=0.0.29
 springBootVersion=2.4.2
-springFrameworkVersion=5.3.13
+springFrameworkVersion=5.3.15
 openSamlVersion=3.4.6
 version=5.7.0-SNAPSHOT
 kotlinVersion=1.6.10
