Fix branch names on component guide

In order to follow the best practices when upgrading components, change
branch name prefixes from wip to proposed-updates to trigger a license
scan.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

content/guides/component_guide.md

@@ -367,7 +367,7 @@ packages taken from stable or even testing releases.
   do this via a development branch that can be pushed for review.
 
       $ APERTIS_RELEASE=v2021
-      $ PROPOSED_BRANCH=wip/${GITLAB_GROUP}/${APERTIS_RELEASE}-update-from-${DESIRED_UPSTREAM}
+      $ PROPOSED_BRANCH=proposed-updates/${GITLAB_GROUP}/${APERTIS_RELEASE}-update-from-${DESIRED_UPSTREAM}
       $ git checkout -b ${PROPOSED_BRANCH} apertis/${APERTIS_RELEASE}
       $ apertis-pkg-merge-updates --upstream=debian/${DESIRED_UPSTREAM} --downstream=${PROPOSED_BRANCH}