Dutch national flag (Sorting Algorithm)

[Arnav-NK]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.59%. Comparing base (506b6d1) to head (a841059).
⚠️ Report is 1 commits behind head on update-directory.

Files with missing lines	Patch %	Lines
...thealgorithms/sorts/DijkstraThreeWayPartition.java	0.00%	24 Missing ⚠️

Additional details and impacted files

@@                  Coverage Diff                   @@
##             update-directory    #6595      +/-   ##
======================================================
- Coverage               75.67%   75.59%   -0.09%     
  Complexity               5740     5740              
======================================================
  Files                     697      698       +1     
  Lines                   19694    19718      +24     
  Branches                 3819     3823       +4     
======================================================
+ Hits                    14903    14905       +2     
- Misses                   4213     4236      +23     
+ Partials                  578      577       -1     

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