Fix typos from codespell

Fix typos from codespell

debuginfod/ChangeLog:

	* debuginfod-client.c: Typo simultaniously.

doc/ChangeLog:

	* debuginfod.8: Typo succesfully.

lib/ChangeLog:

	* dynamicsizehash_concurrent.c: Typo modul.
	* system.h: Typo dependend.

libdwfl/ChangeLog:

	* open.c: Typo non-existant.

src/ChangeLog:

	* nm.c: Typo Covert.
	* strings.c: Likewise.

tests/ChangeLog:

	* elfstrmerge.c: Typo outselves.
	* run-debuginfod-extraction.sh: Typo accidentially.
	* run-debuginfod-fd-prefetch-caches.sh: Likewise.

Signed-off-by: Sam James <sam@gentoo.org>