docs: fix kicker default value

kicker.json

@@ -24,7 +24,7 @@
     {
       "name": "MAVEN_SETTINGS_FILE",
       "description": "The Maven `settings.xml` file path",
-      "default": "${MAVEN_CFG_DIR}/settings.xml",
+      "default": "$MAVEN_CFG_DIR/settings.xml",
       "advanced": true
     },
     {
@@ -95,7 +95,7 @@
         {
           "name": "MAVEN_DEPENDENCY_CHECK_ARGS",
           "description": "Maven arguments for Dependency Check job",
-          "default": "org.owasp:dependency-check-maven:check -DretireJsAnalyzerEnabled=false -DassemblyAnalyzerEnabled=false -Dformats=HTML,JSON,XML",
+          "default": "org.owasp:dependency-check-maven:aggregate -DretireJsAnalyzerEnabled=false -DassemblyAnalyzerEnabled=false -Dformats=HTML,JSON,XML",
           "advanced": true
         }
       ]