Update dependency org.yaml:snakeyaml to v2

build.gradle

@@ -126,7 +126,7 @@ dependencies {
     api 'com.sun.mail:javax.mail:1.6.2'
 
     // Google Firebase Authentication backend
-    api 'com.google.firebase:firebase-admin:9.10.0'
+    api 'com.google.firebase:firebase-admin:9.9.0'
 
     // Connection Pool
     api 'com.mchange:c3p0:0.14.1'
@@ -135,7 +135,7 @@ dependencies {
     api 'org.xerial:sqlite-jdbc:3.53.2.0'
 
     // PostgreSQL
-    api 'org.postgresql:postgresql:42.7.12'
+    api 'org.postgresql:postgresql:42.7.11'
 
     // MariaDB/MySQL
     api 'org.mariadb.jdbc:mariadb-java-client:3.5.9'
@@ -153,7 +153,7 @@ dependencies {
     api 'org.zeroturnaround:zt-exec:1.12'
 
     // HTTP server
-    api 'io.undertow:undertow-core:2.4.2.Final'
+    api 'io.undertow:undertow-core:2.4.1.Final'
 
     // Command parser for AS interface
     api 'commons-cli:commons-cli:1.11.0'