fix(action): use action path for script execution

- Ensures scripts are executed using the GitHub action path
- Improves reliability in locating script files

action.yml

@@ -35,7 +35,7 @@ runs:
     - name: Fetch release from Gitea
       shell: bash
       run: |
-        ./scripts/fetch-gitea-release.sh
+        "${{ github.action_path }}/scripts/fetch-gitea-release.sh"
       env:
         GITEA_TOKEN: ${{ inputs.gitea_token }}
         GITEA_URL: ${{ inputs.gitea_url }}
@@ -52,4 +52,4 @@ runs:
         export GITHUB_OWNER="${{ inputs.github_owner }}"
         export GITHUB_REPO="${{ inputs.github_repo }}"
         export GITHUB_TOKEN="${{ inputs.github_token }}"
-        ./scripts/upsert-github-release.sh
+        "${{ github.action_path }}/scripts/upsert-github-release.sh"