Update core version to 3.2.0

[vmatyus]

PR summary

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PR Checklist

Please make sure that your PR fulfills the following requirements:

• The commit message follows the
  Angular Commit Message Guidelines.
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• New tests
• Build/CI related changes
• Documentation content changes
• Other (please describe)

What is the current behavior?

What is the new behavior?

• resolve path params by name, not by parameter ordering
• IAM Authenticator: add support for optional 'scope' property

Does this PR introduce a breaking change?

• Yes
• No

Other information

[codecov]

Codecov Report

Merging #9 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #9   +/-   ##
=======================================
  Coverage   94.61%   94.61%           
=======================================
  Files           8        8           
  Lines        6373     6373           
=======================================
  Hits         6030     6030           
  Misses        343      343           

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[vmatyus]

Thank you for the review @ricellis and @bessbd ! I am about to merge this PR!