add 1.3 release notes

[derek-ho]

Description

[Describe what this change achieves]

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

Merging #1638 (64a1a38) into 1.3 (53625a1) will increase coverage by 3.14%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                1.3    #1638      +/-   ##
============================================
+ Coverage     95.25%   98.40%   +3.14%     
  Complexity     2746     2746              
============================================
  Files           276      266      -10     
  Lines          7416     6758     -658     
  Branches        544      426     -118     
============================================
- Hits           7064     6650     -414     
+ Misses          298      107     -191     
+ Partials         54        1      -53     

Flag	Coverage Δ
query-workbench	?
sql-engine	98.40% <ø> (ø)

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see 11 files with indirect coverage changes