Upgrade dojo dependencies

[agubler]

Type: feature

The following has been addressed in the PR:

• There is a related issue
• All code matches the style guide
• Unit or Functional tests are included in the PR

Description:

Upgrade to the latest dojo deps.

[codecov]

Codecov Report

Merging #377 into master will decrease coverage by <.01%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #377      +/-   ##
==========================================
- Coverage   97.79%   97.78%   -0.01%     
==========================================
  Files          25       25              
  Lines        1947     1944       -3     
  Branches      494      494              
==========================================
- Hits         1904     1901       -3     
  Misses         20       20              
  Partials       23       23

Impacted Files	Coverage Δ
src/splitpane/SplitPane.ts	97.1% <50%> (-0.05%)	⬇️
src/dialog/Dialog.ts	96% <75%> (-0.16%)	⬇️

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