Update dependency org.yaml:snakeyaml to v2.6

Author: renovate[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ buildInfo = "0.9"
 buildConfig = "3.1.0"
 jacksonDatabind = "2.21.2"
 picocli = "4.7.7"
-snakeYaml = "2.0"
+snakeYaml = "2.6"
 rundeck = "6.0.0-alpha1-20260407"
 testcontainers = "1.21.4"
 commonsCompress = "1.28.0"

gradle/verification-metadata.xml

@@ -47,7 +47,10 @@
             <trusting group="org.apache.commons"/>
          </trusted-key>
          <trusted-key id="2E3A1AFFE42B5F53AF19F780BCF4173966770193" group="org.jetbrains" name="annotations" version="13.0"/>
-         <trusted-key id="2FC53E6B1F681184F4CCD637F5C81DE10A0B8ECC" group="org.yaml" name="snakeyaml" version="2.5"/>
+         <trusted-key id="2FC53E6B1F681184F4CCD637F5C81DE10A0B8ECC">
+            <trusting group="org.yaml" name="snakeyaml" version="2.5"/>
+            <trusting group="org.yaml" name="snakeyaml" version="2.6"/>
+         </trusted-key>
          <trusted-key id="31FAE244A81D64507B47182E1B2718089CE964B8" group="com.thoughtworks.qdox" name="qdox" version="1.12.1"/>
          <trusted-key id="32118CF76C9EC5D918E54967CA80D1F0EB6CA4BA" group="org.apache.maven" name="maven-archiver" version="3.5.1"/>
          <trusted-key id="34441E504A937F43EB0DAEF96A65176A0FB1CD0B">