minor #4652 Update 404 link (xaviermarchegay)
minor #4652 Update 404 link (xaviermarchegay)

This PR was merged into the 3.0.x-dev branch.

Discussion
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Update 404 link

The ICU Project website has moved.
I have updated the link in the code.

Commits
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13ad2200 Update 404 link

javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle