Bump slf4j-version from 2.0.7 to 2.0.9

Bumps `slf4j-version` from 2.0.7 to 2.0.9.

Updates `org.slf4j:slf4j-api` from 2.0.7 to 2.0.9

Updates `org.slf4j:slf4j-simple` from 2.0.7 to 2.0.9

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-simple
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -59,7 +59,7 @@
     <jetty-version>11.0.15</jetty-version>
     <!-- end::jetty-version[] -->
     <graalvm-version>23.0.1</graalvm-version>
-    <slf4j-version>2.0.7</slf4j-version>
+    <slf4j-version>2.0.9</slf4j-version>
     <log4j2-version>2.20.0</log4j2-version>
     <spring-version>6.0.11</spring-version>
     <spring-boot-version>3.1.3</spring-boot-version>