fix(ci): update workflow syntax

Signed-off-by: skjnldsv <skjnldsv@protonmail.com>

Author: skjnldsv

.github/workflows/update-workflow.yml

@@ -69,7 +69,8 @@ jobs:
         git diff --cached --quiet || git commit -sm "chore: update ${{ inputs.file_path }} from master branch"
         
         # Create a new branch for the PR
-        pr_branch="workflow/update-${{ inputs.file_path |replace('/', '-') }}-${{ matrix.target_branch }}"
+        file_path_safe=$(echo "${{ inputs.file_path }}" | sed 's|/|-|g')
+        pr_branch="workflow/update-${file_path_safe}-${{ matrix.target_branch }}"
         git checkout -b "$pr_branch"
         git push origin "$pr_branch"