update the latest state of easy installation

[njzjz]

CUDA version has bumped to 11.6 to fix #1062.

[codecov-commenter]

Codecov Report

Merging #1726 (05574e4) into devel (12dd522) will decrease coverage by 11.82%.
The diff coverage is n/a.

❗ Current head 05574e4 differs from pull request most recent head f95a799. Consider uploading reports for the commit f95a799 to get more accurate results

@@             Coverage Diff             @@
##            devel    #1726       +/-   ##
===========================================
- Coverage   76.11%   64.28%   -11.83%     
===========================================
  Files          95        5       -90     
  Lines        7929       14     -7915     
===========================================
- Hits         6035        9     -6026     
+ Misses       1894        5     -1889     

Impacted Files	Coverage Δ
deepmd/utils/sess.py
deepmd/cluster/local.py
deepmd/descriptor/__init__.py
source/op/_gelu.py
deepmd/infer/deep_eval.py
deepmd/utils/learning_rate.py
deepmd/__init__.py
deepmd/descriptor/se_r.py
deepmd/fit/dipole.py
deepmd/entrypoints/freeze.py
... and 80 more

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