Replace "unpushed" with "that have not yet been pushed"

Co-authored-by: Felicity Chapman <felicitymay@github.com>

Author: ethanpalm

content/desktop/contributing-and-collaborating-using-github-desktop/managing-tags.md

@@ -39,10 +39,9 @@ versions:
 
 {% note %}
 
-**Note**: You can only delete tags associated with unpushed commits.
+**Note**: You can only delete tags associated with commits that have not yet been pushed.
 
 {% endnote %}
 
 {% data reusables.desktop.history-tab %}
 {% data reusables.desktop.delete-tag %}
-