Tooling version bump to 1.0.3

[rajdivya]

Description of changes:
Tooling version bump to 1.0.3

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c71dde5) 98.55% compared to head (e4155e7) 98.55%.

❗ Current head e4155e7 differs from pull request most recent head ac3eee4. Consider uploading reports for the commit ac3eee4 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #119   +/-   ##
=======================================
  Coverage   98.55%   98.55%           
=======================================
  Files          14       14           
  Lines        1249     1249           
  Branches      209      209           
=======================================
  Hits         1231     1231           
  Misses         17       17           
  Partials        1        1           

Flag	Coverage Δ
unittests	98.55% <100.00%> (ø)

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Files	Coverage Δ
python/rpdk/typescript/__init__.py	100.00% <100.00%> (ø)

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