Bump spark.version from 3.4.1 to 3.5.0 in /jvm-packages/xgboost4j-spark #6900

Job	Run time
Type and format checks for the Python package (ubuntu-latest)	3m 22s
Test installing XGBoost Python source package on macos-11	7m 6s
Test installing XGBoost Python source package on windows-latest	9m 20s
Test installing XGBoost Python source package on ubuntu-latest	4m 41s
Test XGBoost Python package System Installation on ubuntu-latest	6m 30s
Test XGBoost Python package on macos-11	20m 50s
Test XGBoost Python package on ubuntu-latest	23m 15s
Test XGBoost Python package on windows-latest	28m 20s
	1h 43m 24s

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