Bump to update 3 dependencies and update Slack references to Discord

[kaneeldias]

Purpose

Related to ballerina-platform/ballerina-library#3463

Examples

Checklist

• Linked to an issue
• Updated the changelog
• Added tests
• Updated the spec
• Checked native-image compatibility

[codecov]

Codecov Report

Base: 86.13% // Head: 86.27% // Increases project coverage by +0.13% 🎉

Coverage data is based on head (1cfc7e8) compared to base (6489f78).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #652      +/-   ##
============================================
+ Coverage     86.13%   86.27%   +0.13%     
  Complexity       17       17              
============================================
  Files             6        6              
  Lines           101      102       +1     
  Branches         23       22       -1     
============================================
+ Hits             87       88       +1     
  Misses           11       11              
  Partials          3        3              

Impacted Files	Coverage Δ
ballerina/client.bal	90.00% <0.00%> (+0.34%)	⬆️

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