chore(deps): update dependency org.yaml:snakeyaml to v2.6

Author: renovate[bot]

build.gradle

@@ -39,7 +39,7 @@ dependencies {
     implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.21.1'
 
     // SnakeYAML for reqstool_config.yml generation
-    implementation 'org.yaml:snakeyaml:2.5'
+    implementation 'org.yaml:snakeyaml:2.6'
 
     // Testing - JUnit BOM for version management
     testImplementation platform('org.junit:junit-bom:6.0.3')