CI: Update to actions/cache@v3

No functional changes for our use case, but we should keep this current.

(cherry picked from commit 538d8fe8b7a5c06ca9e466f6d71a06b962b232e2)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit c8c8cad3732a8e12734f17dfacd45b46f7c71b9d)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed