[bitnami/*] ci: :construction_worker: :ambulance: Skip changelog inside the markdown-linter (#26167)

* [bitnami/*] ci: :construction_worker: :ambulance: Skip changelog inside the markdown-linter

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>

* chore: :wrench: Add CHANGELOG.md to markdownignore

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>

---------

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>

.github/workflows/markdown-linter.yml

@@ -30,7 +30,7 @@ jobs:
           # This request doesn't consume API calls.
           curl -Lkso $TEMP_FILE $DIFF_URL
           files_changed="$(sed -nr 's/[\-\+]{3} [ab]\/(.*)/\1/p' $TEMP_FILE | sort | uniq)"
-          md_files="$(echo "$files_changed" | grep -o ".*\.md$" | sort | uniq || true)"
+          md_files="$(echo "$files_changed" | grep -v "CHANGELOG.md" | grep -o ".*\.md$" | sort | uniq || true)"
           # Create an empty file, useful when the PR changes ignored files
           touch "${TEMP_OUTPUT}"
           exit_code=0

.markdownlintignore

@@ -1,2 +1,3 @@
 LICENSE.md
 .github/PULL_REQUEST_TEMPLATE.md
+CHANGELOG.md