Bump ai.djl:bom from 0.30.0 to 0.31.1 (#12344)

Bumps [ai.djl:bom](https://github.com/deepjavalibrary/djl) from 0.30.0 to 0.31.1.
- [Release notes](https://github.com/deepjavalibrary/djl/releases)
- [Commits](deepjavalibrary/djl@v0.30.0...v0.31.1)

---
updated-dependencies:
- dependency-name: ai.djl:bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -358,7 +358,7 @@ dependencies {
     }
 
     implementation 'org.apache.velocity:velocity-engine-core:2.4.1'
-    implementation platform('ai.djl:bom:0.30.0')
+    implementation platform('ai.djl:bom:0.31.1')
     implementation 'ai.djl:api'
     implementation 'ai.djl.huggingface:tokenizers'
     implementation 'ai.djl.pytorch:pytorch-model-zoo'