Correct link in contribution.md (#5584)

update build from source link and remove the specific version for it

Author: ZhaoqiongZ

docs/tutorials/contribution.md

@@ -16,7 +16,7 @@ Once you implement and test your feature or bug-fix, submit a Pull Request to ht
 
 ## Developing Intel® Extension for PyTorch\* on XPU
 
-A full set of instructions on installing Intel® Extension for PyTorch\* from source is in the [Installation document](https://intel.github.io/intel-extension-for-pytorch/index.html#installation?platform=gpu&version=v2.1.30%2bxpu).
+A full set of instructions on installing Intel® Extension for PyTorch\* from source is in the [Installation document](https://intel.github.io/intel-extension-for-pytorch/index.html#installation?platform=gpu). Select the package labeled 'source' for the build from source instructions.
 
 To develop on your machine, here are some tips: