Merge branch 'DOCS-mmora-master-patch-37647' into 'master'

DOCS Add instructions for specific branch

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183444



Merged-by: Brendan Lynch <blynch@gitlab.com>
Approved-by: Brendan Lynch <blynch@gitlab.com>
Reviewed-by: Brendan Lynch <blynch@gitlab.com>
Co-authored-by: Mario Mora <mmora@gitlab.com>

doc/api/repositories.md

@@ -474,6 +474,14 @@ curl --request POST \
   --url "https://gitlab.com/api/v4/projects/42/repository/changelog"
 ```
 
+To specify a branch as a parameter, use the `to` attribute:
+
+```shell
+curl --request GET \
+  --header "PRIVATE-TOKEN: token" \
+  --url "https://gitlab.com/api/v4/projects/42/repository/changelog?version=1.0.0&to=release/x.x.x"
+```
+
 ## Generate changelog data
 
 {{< history >}}