Bump jetty.version from 12.0.14 to 12.0.15

Bumps `jetty.version` from 12.0.14 to 12.0.15.

Updates `org.eclipse.jetty:jetty-server` from 12.0.14 to 12.0.15

Updates `org.eclipse.jetty.ee9:jetty-ee9-nested` from 12.0.14 to 12.0.15

Updates `org.eclipse.jetty.ee10:jetty-ee10-webapp` from 12.0.14 to 12.0.15

Updates `org.eclipse.jetty.ee10:jetty-ee10-maven-plugin` from 12.0.14 to 12.0.15

Updates `org.eclipse.jetty.ee10:jetty-ee10-jspc-maven-plugin` from 12.0.14 to 12.0.15

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.ee9:jetty-ee9-nested
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.ee10:jetty-ee10-webapp
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.ee10:jetty-ee10-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.ee10:jetty-ee10-jspc-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -482,7 +482,7 @@
         <httpclient.version>5.4.1</httpclient.version>
         <intellij.version>5.0</intellij.version>
         <jaxbri.version>4.0.3</jaxbri.version>
-        <jetty.version>12.0.14</jetty.version>
+        <jetty.version>12.0.15</jetty.version>
         <jibx.version>1.4.2</jibx.version>
         <maven.archiver.version>3.6.3</maven.archiver.version>
         <maven.version>3.9.9</maven.version>