Bump org.jruby.joni:joni from 2.1.45 to 2.1.48 in /libs/grok

Bumps [org.jruby.joni:joni](https://github.com/jruby/joni) from 2.1.45 to 2.1.48.
- [Release notes](https://github.com/jruby/joni/releases)
- [Commits](jruby/joni@joni-2.1.45...joni-2.1.48)

---
updated-dependencies:
- dependency-name: org.jruby.joni:joni
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

libs/grok/build.gradle

@@ -29,7 +29,7 @@
  */
 
 dependencies {
-  api 'org.jruby.joni:joni:2.1.45'
+  api 'org.jruby.joni:joni:2.1.48'
   // joni dependencies:
   api 'org.jruby.jcodings:jcodings:1.0.58'