fix(deps): update slf4j monorepo to v2

Author: renovate[bot]

pom.xml

@@ -61,7 +61,7 @@
         <jetty10.version>10.0.26</jetty10.version>
         <jetty11.version>11.0.26</jetty11.version>
         <jetty12.version>12.1.9</jetty12.version>
-        <slf4j.version>1.7.36</slf4j.version>
+        <slf4j.version>2.0.18</slf4j.version>
         <assertj.version>3.27.7</assertj.version>
         <byte-buddy.version>1.18.8-jdk5</byte-buddy.version>
         <mockito.version>5.21.0</mockito.version>