Change version and branch to 24.02 (#10389)

Version to 24.02.0-SNAPSHOT in CONTRIBUTING.md

Branch to branch-24.02 in docs/dev/testing.md

Signed-off-by: Tim Liu <timl@nvidia.com>

CONTRIBUTING.md

@@ -130,15 +130,15 @@ mvn -pl dist -PnoSnapshots package -DskipTests
 Verify that shim-specific classes are hidden from a conventional classloader.
 
 ```bash
-$ javap -cp dist/target/rapids-4-spark_2.12-23.12.1-SNAPSHOT-cuda11.jar com.nvidia.spark.rapids.shims.SparkShimImpl
+$ javap -cp dist/target/rapids-4-spark_2.12-24.02.0-SNAPSHOT-cuda11.jar com.nvidia.spark.rapids.shims.SparkShimImpl
 Error: class not found: com.nvidia.spark.rapids.shims.SparkShimImpl
 ```
 
 However, its bytecode can be loaded if prefixed with `spark3XY` not contained in the package name
 
 ```bash
-$ javap -cp dist/target/rapids-4-spark_2.12-23.12.1-SNAPSHOT-cuda11.jar spark320.com.nvidia.spark.rapids.shims.SparkShimImpl | head -2
-Warning: File dist/target/rapids-4-spark_2.12-23.12.1-SNAPSHOT-cuda11.jar(/spark320/com/nvidia/spark/rapids/shims/SparkShimImpl.class) does not contain class spark320.com.nvidia.spark.rapids.shims.SparkShimImpl
+$ javap -cp dist/target/rapids-4-spark_2.12-24.02.0-SNAPSHOT-cuda11.jar spark320.com.nvidia.spark.rapids.shims.SparkShimImpl | head -2
+Warning: File dist/target/rapids-4-spark_2.12-24.02.0-SNAPSHOT-cuda11.jar(/spark320/com/nvidia/spark/rapids/shims/SparkShimImpl.class) does not contain class spark320.com.nvidia.spark.rapids.shims.SparkShimImpl
 Compiled from "SparkShims.scala"
 public final class com.nvidia.spark.rapids.shims.SparkShimImpl {
 ```
@@ -181,7 +181,7 @@ mvn package -pl dist -am -Dbuildver=340 -DallowConventionalDistJar=true
 Verify `com.nvidia.spark.rapids.shims.SparkShimImpl` is conventionally loadable:
 
 ```bash
-$ javap -cp dist/target/rapids-4-spark_2.12-23.12.1-SNAPSHOT-cuda11.jar com.nvidia.spark.rapids.shims.SparkShimImpl | head -2
+$ javap -cp dist/target/rapids-4-spark_2.12-24.02.0-SNAPSHOT-cuda11.jar com.nvidia.spark.rapids.shims.SparkShimImpl | head -2
 Compiled from "SparkShims.scala"
 public final class com.nvidia.spark.rapids.shims.SparkShimImpl {
 ```

docs/dev/testing.md

@@ -5,5 +5,5 @@ nav_order: 2
 parent: Developer Overview
 ---
 An overview of testing can be found within the repository at:
-* [Unit tests](https://github.com/NVIDIA/spark-rapids/tree/branch-23.12/tests#readme)
-* [Integration testing](https://github.com/NVIDIA/spark-rapids/tree/branch-23.12/integration_tests#readme)
+* [Unit tests](https://github.com/NVIDIA/spark-rapids/tree/branch-24.02/tests#readme)
+* [Integration testing](https://github.com/NVIDIA/spark-rapids/tree/branch-24.02/integration_tests#readme)