Update embed-resource requirement from 1.8 to 2.4 in /backend

[dependabot[bot]]

Updates the requirements on embed-resource to permit the latest version.

Commits

• 7c7a98a Bump version to 2.4.0. Add @​MarijnS95 to authors list
• 3b6388f MSRV 1.66
• 8c95088 Upgrade toml dependency to 0.8
• 40025c4 Bump version to 2.3.0. Add @​oko to authors list
• 25dc5fb update version of winreg to 0.51.0
• 3f051ad Bump version to 2.2.0. Add @​micolous to authors list
• e83a9bf Add real embedding test. Validate it on MSVC/{aarch64,amd64,i686} on GHA
• dc5b96e MSVC wants rc.exe for $HOST, not $TARGET
• 3f15f68 MSVC on aarch64
• 52144ae Bump version to 2.1.1
• Additional commits viewable in compare view

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[SonnyX]

@dependabot rebase

[dependabot[bot]]

Looks like embed-resource is up-to-date now, so this is no longer needed.