Update README.md

add require soft in readme.md

Signed-off-by: gzchen008 <[email protected]>

Author: gzchen008

builders/java/README.md

@@ -1,5 +1,12 @@
 ## Build builder of java
 
+
+Required soft on your linux
+```shell 
+bazel4 
+python3 
+```
+
 Use the follow command to build a java builder.
 
 ```shell
@@ -23,4 +30,4 @@ Parameters
 - `build-image` - The image used to build builder.
 - `run-image` - The image used to run the function.
 - `out-image` - The name of generated builder image.
-- `push-image` - If specified, it will push the image to the registry.
+- `push-image` - If specified, it will push the image to the registry.