[release-1.25] Correct description in 1.24.4 patch release announcement.

[istio-testing]

Manual cherrypick required.

#16360 failed to apply on top of branch "release-1.25":

Applying: Correct description in 1.24.4 patch release announcement.
Using index info to reconstruct a base tree...
A	content/zh/news/releases/1.24.x/announcing-1.24.4/index.md
Falling back to patching base and 3-way merge...
CONFLICT (modify/delete): content/zh/news/releases/1.24.x/announcing-1.24.4/index.md deleted in HEAD and modified in Correct description in 1.24.4 patch release announcement.. Version Correct description in 1.24.4 patch release announcement. of content/zh/news/releases/1.24.x/announcing-1.24.4/index.md left in tree.
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 Correct description in 1.24.4 patch release announcement.

[dhawton]

Handled in #16363