Bump slf4j.version from 2.0.11 to 2.0.12

Bumps `slf4j.version` from 2.0.11 to 2.0.12.

Updates `org.slf4j:slf4j-api` from 2.0.11 to 2.0.12

Updates `org.slf4j:slf4j-jdk14` from 2.0.11 to 2.0.12

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-jdk14
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -20,7 +20,7 @@
     <revision>6.19</revision>
     <changelist>-SNAPSHOT</changelist>
     <jetty.version>10.0.20</jetty.version>
-    <slf4j.version>2.0.11</slf4j.version>
+    <slf4j.version>2.0.12</slf4j.version>
     <gitHubRepo>jenkinsci/winstone</gitHubRepo>
   </properties>