input-time-picker causes bundler warnings due to how it's loading dayjs modules

[jcfranco]

Actual Behavior

Bundling an app using calcite-input-time-picker causes the following error in Webpack:

WARNING in .../node_modules/@esri/calcite-components/dist/components/calcite-input-time-picker.js 1415:44-129
Critical dependency: the request of a dependency is an expression
 @ ./src/index.js 3:0-76 

Expected Behavior

No error is displayed when building with Webpack.

Reproduction Sample

https://github.com/Esri/calcite-components-examples

Reproduction Steps

1. Clone repo
2. cd into the Webpack example directory
3. Update calcite-components to v1.4.0
4. run npm run build

Reproduction Version

1.4.0

Relevant Info

No response

Regression?

No response

Priority impact

p1 - need for current milestone

Impact

This will impact anyone bundling with Webpack.

Esri team

ArcGIS Maps SDK for JavaScript

cc @bsvensson @dasa