fix(deps): update jetty monorepo to v12.1.8 (#5203)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -60,7 +60,7 @@
         <jetty9.version>9.4.58.v20250814</jetty9.version>
         <jetty10.version>10.0.26</jetty10.version>
         <jetty11.version>11.0.26</jetty11.version>
-        <jetty12.version>12.1.7</jetty12.version>
+        <jetty12.version>12.1.8</jetty12.version>
         <slf4j.version>1.7.36</slf4j.version>
         <assertj.version>3.27.7</assertj.version>
         <byte-buddy.version>1.18.8-jdk5</byte-buddy.version>