Merge branch 'eread/fix-minor-grammatical-error-docs' into 'master'

Fix minor grammatical error

See merge request https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/8059



Merged-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Approved-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Co-authored-by: Evan Read <eread@gitlab.com>

doc/update/package_signatures.md

@@ -141,7 +141,7 @@ To fetch the latest repository signing key:
 ## Package signatures
-This section provides methods for verifying the signatures of GitLab produced-packages, both manually and automatically
+This section provides methods for verifying the signatures of GitLab-produced packages, both manually and automatically
 where supported.
 ### RPM-based distributions