Update dependency libsass to ^0.20.0

This MR contains the following updates:

Package	Type	Update	Change
libsass	dependencies	minor	^0.19.2 -> ^0.20.0

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added 4 commits

• f1bf0d49...303788ab - 3 commits from branch master
• 26c0d843 - Update dependency libsass to ^0.20.0

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marked the checklist item If you want to rebase/retry this MR, check this box as incomplete

marked the checklist item If you want to rebase/retry this MR, check this box as completed

added 16 commits

• 26c0d843...8fd44777 - 15 commits from branch master
• 512aaf7e - Merge branch 'master' into 'renovate/libsass-0.x'

Compare with previous version

mentioned in commit 801feb91

merged