Bump sync-disk-cache from 1.3.3 to 2.1.0

[dependabot-preview[bot]]

Bumps sync-disk-cache from 1.3.3 to 2.1.0.

Commits

• 5838273 release v2.1.0 🎉
• d30e074 Merge pull request #25 from stefanpenner/permission-change
• 77d4511 [Fixes #71] Temporary files should really just be writeable by the current us...
• 6525ab8 release v2.0.0 🎉
• 23fc16e Merge pull request #23 from stefanpenner/upgrades
• 996eb6b Drop old nodes from CI
• b870fe4 modernize
• 5a2aca1 drop old node support
• a1372f1 dump deps
• d2d7909 release v1.3.4 🎉
• Additional commits viewable in compare view

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