[feat] Add token as authentication for python gateway

[zhongjiajie]

Brief Summary of The Change

separate from apache/dolphinscheduler#6407. Authentication, add secret to ensure only trusted people could
connect to gateway.

fix: apache/dolphinscheduler#8255
ref: apache/dolphinscheduler#12893

Pull Request checklist

I confirm that the following checklist has been completed.

• Add/Change test cases for the changes.
• Add/Change the related documentation.
• (Optional) Add your change to UPDATING.md when it is an incompatible change.

[codecov-commenter]

Codecov Report

Merging #13 (74332e5) into main (20b2a2b) will decrease coverage by 0.00%.
The diff coverage is 90.00%.

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
- Coverage   90.60%   90.59%   -0.01%     
==========================================
  Files          56       56              
  Lines        2032     2042      +10     
==========================================
+ Hits         1841     1850       +9     
- Misses        191      192       +1     

Flag	Coverage Δ
unittests	90.59% <90.00%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
src/pydolphinscheduler/configuration.py	97.01% <90.00%> (-1.24%)	⬇️

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[jieguangzhou]

LGTM

[zhongjiajie]

Brief Summary of The Change

separate from apache/dolphinscheduler#6407. Authentication, add secret to ensure only trusted people could connect to gateway.

fix: apache/dolphinscheduler#8255 ref: apache/dolphinscheduler#12893

Pull Request checklist

I confirm that the following checklist has been completed.

• Add/Change test cases for the changes.
• Add/Change the related documentation.
• (Optional) Add your change to UPDATING.md when it is an incompatible change.

released after apache/dolphinscheduler:3.1.2