Add Ameziane as maintainer

[garyschulte]

Signed-off-by: garyschulte [email protected]

PR description

Proposing @ahamlat as a new Besu maintainer - has done significant performance analysis, configuration, and commits improving the quality, stability, and performance of Besu.

Voting ends 2 weeks from the publication of this PR or once more than 50% of the current maintainers approve.

For more information on this process see the Becoming a Maintainer section in the MAINTAINERS.md file.

NOTE: I suggest viewing the diff with "ignore whitespace changes" to more clearly see the addition. Intellij auto-resized the whole table.

[garyschulte]

auto-merging since we have met the 50% threshold