Bump version to 3.7.0

[dreambeyondorange]

Description of changes

• Updated via util/bump_version.sh

Checklist

• Make sure you are pointing to the right branch.
• If you're creating a patch for a branch other than develop add the branch name as prefix in the PR title (e.g. [release-3.6]).
• Check all commits' messages are clear, describing what and why vs how.
• Make sure to have added unit tests or integration tests to cover the new/modified code.
• Check if documentation is impacted by this change.

Please review the guidelines for contributing and Pull Request Instructions.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #553 (68b2c54) into release-3.7 (0fd636e) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           release-3.7     #553   +/-   ##
============================================
  Coverage        89.42%   89.42%           
============================================
  Files               16       16           
  Lines             2629     2629           
============================================
  Hits              2351     2351           
  Misses             278      278           

Flag	Coverage Δ
unittests	89.42% <ø> (ø)

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