### What changes were proposed in this pull request?
Add the following patch files in directory `incubator-celeborn/tree/spark3-patch/assets/spark-patch` :
1. Celeborn_Dynamic_Allocation_spark3_0.patch
2. Celeborn_Dynamic_Allocation_spark3_1.patch
3. Celeborn_Dynamic_Allocation_spark3_2.patch
4. Celeborn_Dynamic_Allocation_spark3_3.patch
Delete a patch at the same time：
1. Celeborn_Dynamic_Allocation_spark3.patch
Modified `Support Spark Dynamic Allocation` in incubator-celeborn/README.md ：
### Why are the changes needed?
Convenient for customers to apply patches in Spark 3.X for `Support Spark Dynamic Allocation`
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
yes. All patch files can be applied to the corresponding version of spark source code through `git apply` without any code conflicts.
Closes#2085 from lukeyan2023/spark3-patch.
Authored-by: Luke Yan <108530647+lukeyan2023@users.noreply.github.com>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
