Bump json-smart from 2.4.7 to 2.4.8 in /test/fixtures/hdfs-fixture (#2136)

Bumps [json-smart](https://github.com/netplex/json-smart-v2) from 2.4.7 to 2.4.8.
- [Release notes](https://github.com/netplex/json-smart-v2/releases)
- [Commits](https://github.com/netplex/json-smart-v2/commits/2.4.8)

---
updated-dependencies:
- dependency-name: net.minidev:json-smart
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

test/fixtures/hdfs-fixture/build.gradle

@@ -42,5 +42,5 @@ dependencies {
   api "org.bouncycastle:bcpkix-jdk15on:${versions.bouncycastle}"
   api "com.fasterxml.jackson.jaxrs:jackson-jaxrs-json-provider:${versions.jackson}"
   api "com.fasterxml.jackson.core:jackson-databind:${versions.jackson}"
-  api 'net.minidev:json-smart:2.4.7'
+  api 'net.minidev:json-smart:2.4.8'
 }