Replace slack channel link and dependent module versions

[MohamedSabthar]

Purpose

$Subject

Part of ballerina-platform/ballerina-library#3463

Checklist

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

[codecov]

Codecov Report

Base: 86.63% // Head: 86.95% // Increases project coverage by +0.32% 🎉

Coverage data is based on head (369ba5c) compared to base (511137b).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #765      +/-   ##
============================================
+ Coverage     86.63%   86.95%   +0.32%     
  Complexity       41       41              
============================================
  Files             8        8              
  Lines           621      621              
  Branches        229      231       +2     
============================================
+ Hits            538      540       +2     
+ Misses           75       73       -2     
  Partials          8        8              

Impacted Files	Coverage Δ
ballerina/client_oauth2_provider.bal	86.60% <0.00%> (+0.31%)	⬆️
ballerina/listener_oauth2_provider.bal	88.28% <0.00%> (+0.90%)	⬆️

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