fix(test): use sudo to create a output directory

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: generate changelog
+      - name: Generate a changelog
         id: git-cliff
         uses: ./
         with:

entrypoint.sh

@@ -4,7 +4,7 @@ set -uxo pipefail
 CHANGELOG_OUT=${CHANGELOG_OUT:="git-cliff/CHANGELOG.md"}
 
 # Create the output directory
-mkdir -p "$(dirname $CHANGELOG_OUT)"
+sudo mkdir -p "$(dirname $CHANGELOG_OUT)"
 
 # Execute git-cliff
 git-cliff "$@" > "$CHANGELOG_OUT"