[gwp_asan] Add missing <algorithm> include

After https://reviews.llvm.org/D119667, <algorithm> is no longer
transitively included from various headers. This patch adds the
<algorithm> include into gwp_asan.

Differential Revision: https://reviews.llvm.org/D120172

GitOrigin-RevId: 4961bb477d0526a7b965609cd42d44caa8413d45
1 file changed