Minor updates to master (already in next)

[Maronato]

Description

• Update sass version to correct division fix Fix: Sass Slash as Division #243 #264
• Remove stalebot config
• Add github actions
• Remove duplicated animation Duplicated animation #272

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #281 (5f89794) into master (405499b) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #281   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          361       436   +75     
  Branches        77        89   +12     
=========================================
+ Hits           361       436   +75     

Impacted Files	Coverage Δ
src/index.ts	100.00% <0.00%> (ø)
src/ts/utils.ts	100.00% <0.00%> (ø)
src/ts/interface.ts	100.00% <0.00%> (ø)
src/components/VtIcon.vue	100.00% <0.00%> (ø)
src/components/VtToast.vue	100.00% <0.00%> (ø)
src/components/VtTransition.vue	100.00% <0.00%> (ø)
src/components/VtCloseButton.vue	100.00% <0.00%> (ø)
src/components/VtProgressBar.vue	100.00% <0.00%> (ø)
src/components/VtToastContainer.vue	100.00% <0.00%> (ø)

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