Additional image file size optimization

[Awqre]

First time contributor checklist:

• I have read the README and Contributor Guidelines
• I have signed the Contributor Licence Agreement

Contributor checklist:

• My contribution is not related to translations.
• My commits are in nice logical chunks with good commit messages
• My changes are rebased on the latest main branch
• A npm run ready run passes successfully (more about tests here)
• My changes are ready to be shipped to users

Description

I noticed Signal's recent effort to reduce file size which is much appreciated as some don't realize how even the smallest reduction has meaningful impact long term. I have run the repo and asset images through some programs and losslessly reduced the file size by small amounts.

PNG: zopflipng/ECT/deflopt
APNG: same as above, repacked with apngasm
jpg: ECT

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been closed due to inactivity.