chore(deps): update dependency @patternfly/documentation-framework to ^6.0.0-alpha.120 (main)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@​patternfly/documentation-framework	^6.0.0-alpha.106 -> ^6.0.0-alpha.120

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Preview: https://patternfly-react-pr-11100.surge.sh

A11y report: https://patternfly-react-pr-11100-a11y.surge.sh