Help/dev: Add maintainer guide steps for CI packaging pipeline updates

Help/dev/maint.rst

@@ -245,6 +245,20 @@ Commit with a message such as::
   Release versions do not have the development topic section of
   the CMake Release Notes index page.
 
+Update ``.gitlab-ci.yml`` to drop the ``upload:`` jobs from the
+packaging pipeline by renaming them to start in ``.``:
+
+.. code-block:: shell
+
+  sed -i 's/^upload:/.upload:/' .gitlab-ci.yml
+
+Commit with a message such as::
+
+  gitlab-ci: Drop package pipeline upload jobs for release branch
+
+  The package pipeline for release versions should not upload packages
+  automatically to our archive of nightly development versions.
+
 Update ``Source/CMakeVersion.cmake`` to set the version to
 ``$major.$minor.0-rc0``:
 
@@ -276,13 +290,15 @@ Merge the ``release-$ver`` branch to ``master``:
   git merge --no-ff release-$ver
 
 Begin post-release development by restoring the development branch release
-note infrastructure and the version date from ``origin/master``:
+note infrastructure, the nightly package pipeline upload jobs, and
+the version date from ``origin/master``:
 
 .. code-block:: shell
 
   git checkout origin/master -- \
     Source/CMakeVersion.cmake Help/release/dev/0-sample-topic.rst
   sed -i $'/^Releases/ i\\\n.. include:: dev.txt\\\n' Help/release/index.rst
+  sed -i 's/^\.upload:/upload:/' .gitlab-ci.yml
 
 Update ``Source/CMakeVersion.cmake`` to set the version to
 ``$major.$minor.$date``: