feat: Add sender to fungible_token_packet events (backport #1414)

[mergify]

This is an automatic backport of pull request #1414 done by Mergify.
Cherry-pick of c809c51 has failed:

On branch mergify/bp/release/v3.1.x/pr-1414
Your branch is ahead of 'origin/release/v3.1.x' by 1 commit.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit c809c51.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of d8be3d0 has failed:

On branch mergify/bp/release/v3.1.x/pr-1414
Your branch is ahead of 'origin/release/v3.1.x' by 2 commits.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit d8be3d0.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

no changes added to commit (use "git add" and/or "git commit -a")

Cherry-pick of 46d73a0 has failed:

On branch mergify/bp/release/v3.1.x/pr-1414
Your branch is ahead of 'origin/release/v3.1.x' by 3 commits.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit 46d73a0.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com

[seantking]

changelog is broken