build(deps-dev): bump yaml from 2.1.1 to 2.2.1

[dependabot[bot]]

Bumps yaml from 2.1.1 to 2.2.1.

Release notes

Sourced from yaml's releases.

v2.2.1

• Quote top-level map keys containing document markers (#431)

v2.2.0

New Features

• Add flowCollectionPadding toString option (#420)
• Use indicator line for props on block collection values of mappings (#425)

Bugfixes

• Minor relaxation of types for custom tags (#429)

v2.1.3

• Set correct node-end position for block collections with comments (#413)

v2.1.2

• Set correct node-end position for empty values with comments (#413)

Commits

• c914dcc 2.2.1
• c8551eb fix: Quote top-level map keys containing document markers (fixes #431)
• 3576408 2.2.0
• ab52daa ci: Remove all @​types except for node when testing types on old TS
• 85be08d chore: Explicitly set supported types in tsconfig.json
• 4732502 ci: Uninstall @​jest/types before testing types on TS 4.2
• 8e134c7 chore: Update to rollup 3
• f72eee8 style: Apply updated Prettier styling
• e8ea440 chore: Refresh lockfile & update out-of-date type dependencies
• 97ec3e6 fix: Minor relaxation of types for custom tags (fixes #429)
• Additional commits viewable in compare view

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