[AUTO MERGE] Update Dependencies (Ballerina Lang : 2.0.0-beta.1-20210506-022400-d44e7336)

[ballerina-bot]

Update ballerina lang version to 2.0.0-beta.1-20210506-022400-d44e7336 and relevant extensions.

[codecov]

Codecov Report

Merging #158 (8be380b) into master (40414f8) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #158   +/-   ##
=========================================
  Coverage     76.45%   76.45%           
  Complexity      189      189           
=========================================
  Files            27       27           
  Lines           858      858           
  Branches         96       96           
=========================================
  Hits            656      656           
  Misses          136      136           
  Partials         66       66           

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