Fix typos in non-Markdown files

[algonell]

Fix typos in documentation, comments, etc.

[selhagani]

Hi @algonell,
Thank you for your kind contribution, we appreciate it!

[algonell]

@algonell @olyagpl Do you want me to keep on rebasing to upstream/master, or should I leave it as is?

[ban-mi]

Thanks for identifying these typos! Unfortunately, merging PRs that touch hundreds of files create merge conflicts during backports. We would prefer to fix typos incrementally within component-specific changes. We'll address these internally as we work on the relevant areas!

[algonell]

Understood, will stop rebasing. Thank you.