Update version to rc.1 and copyright dates

[dpvc]

This PR updates the package version number to 4.0.0-rc.1, updates the copyright, fixes a problem with the components/bin/version script, and moves dependencies to devDependencies.

[zorkow]

lgtm.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.69%. Comparing base (9456d48) to head (f65ac27).
Report is 8 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1283   +/-   ##
========================================
  Coverage    86.69%   86.69%           
========================================
  Files          337      337           
  Lines        84107    84107           
  Branches      4752     4753    +1     
========================================
+ Hits         72914    72919    +5     
+ Misses       11170    11165    -5     
  Partials        23       23           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.