GUACAMOLE-1594: Update to Spring Security 5.7.5.

doc/licenses/spring-security-5.7.4/dep-coordinates.txt

@@ -1,3 +0,0 @@
-org.springframework.security:spring-security-core:jar:5.7.4
-org.springframework.security:spring-security-crypto:jar:5.7.4
-org.springframework.security:spring-security-web:jar:5.7.4

doc/licenses/spring-security-5.7.5/README

@@ -1,7 +1,7 @@
 Spring Security (https://spring.io/projects/spring-security)
 ------------------------------------------------------------
 
-    Version: 5.7.4
+    Version: 5.7.5
     From: 'Spring' (https://spring.io/)
     License(s):
         Apache v2.0

doc/licenses/spring-security-5.7.5/dep-coordinates.txt

@@ -0,0 +1,3 @@
+org.springframework.security:spring-security-core:jar:5.7.5
+org.springframework.security:spring-security-crypto:jar:5.7.5
+org.springframework.security:spring-security-web:jar:5.7.5