chore(deps): update actions/attest-sbom action to v2.4.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/attest-sbom	action	minor	v2.2.0 → v2.4.0

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Release Notes

actions/attest-sbom (actions/attest-sbom)

v2.4.0

Compare Source

What's Changed

• Bump actions/attest from 2.2.1 to 2.3.0 in the actions-minor group by @​dependabot in #​169
• Bump undici from 5.28.5 to 5.29.0 by @​dependabot in #​172
• Bump actions/attest from 2.3.0 to 2.4.0 by @​bdehamer in #​178
  • Includes support for the new well-known summary file which will accumulate paths to all attestations generated in a given workflow run

Full Changelog: actions/attest-sbom@v2.2.0...v2.4.0

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