Update aio-lib-events version and use registration V2 API

[sangeetha5491]

Update aio-lib-events version to 3.0.0

Description

Use the latest SDK to use Registration V2 API

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #48 (aac2f98) into master (ac2e697) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #48   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           21        21           
  Lines          488       488           
  Branches        64        64           
=========================================
  Hits           488       488           

Impacted Files	Coverage Δ
src/commands/event/registration/create.js	100.00% <100.00%> (ø)
src/commands/event/registration/delete.js	100.00% <100.00%> (ø)
src/commands/event/registration/get.js	100.00% <100.00%> (ø)
src/commands/event/registration/index.js	100.00% <100.00%> (ø)
src/commands/event/registration/list.js	100.00% <100.00%> (ø)
test/mocks.js	100.00% <100.00%> (ø)

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[shikhartanwar]

LGTM as well!