[FrameworkBundle] Add missing license headers
minor #9858 [FrameworkBundle] Add missing license headers (stloyd)

This PR was merged into the 2.4 branch.

Discussion
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[FrameworkBundle] Add missing license headers

| Q             | A
| ------------- | ---
| Bug fix?      |  kinda
| New feature?  | no

Commits
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4c74ea6 [FrameworkBundle] Add missing license headers