Add Michael Froh as a maintainer

[andrross]

Description

Michael has graciously accepted our invitation to become a maintainer. Welcome, Michael!

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.snapshots.DedicatedClusterSnapshotRestoreIT.testIndexDeletionDuringSnapshotCreationInQueue

• URL: https://build.ci.opensearch.org/job/gradle-check/23132/
• CommitID: 02b03d3
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #9463 (c316bc3) into main (ebdffbb) will increase coverage by 0.04%.
Report is 2 commits behind head on main.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #9463      +/-   ##
============================================
+ Coverage     71.20%   71.25%   +0.04%     
- Complexity    57474    57551      +77     
============================================
  Files          4776     4776              
  Lines        270815   270815              
  Branches      39584    39584              
============================================
+ Hits         192835   192962     +127     
+ Misses        61741    61673      -68     
+ Partials      16239    16180      -59     

see 465 files with indirect coverage changes

[kotwanikunal]

We can retry checks post #9486

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.index.IndexServiceTests.testAsyncTranslogTrimTaskOnClosedIndex

• URL: https://build.ci.opensearch.org/job/gradle-check/23238/
• CommitID: c316bc3
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch/backport-2.x
# Create a new branch
git switch --create backport/backport-9463-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 89ccda9a3a0f8120c0a701094c759d55288bd0bd
# Push it to GitHub
git push --set-upstream origin backport/backport-9463-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-9463-to-2.x.