fix(action): resolve action_path to absolute path before setup-python

github.action_path returns '.' in owner's own repo, causing invalid
pattern error in setup-python cache-dependency-path. Resolve to
absolute path first via a shell step.

Author: pphatdev

action.yml

@@ -38,23 +38,28 @@ outputs:
 runs:
   using: "composite"
   steps:
+    - name: Resolve action absolute path
+      id: action-path
+      shell: bash
+      run: echo "abs=$(cd '${{ github.action_path }}' && pwd)" >> "$GITHUB_OUTPUT"
+
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: ${{ inputs.python-version }}
         cache: "pip"
-        cache-dependency-path: "${{ github.action_path }}/requirements.txt"
+        cache-dependency-path: "${{ steps.action-path.outputs.abs }}/requirements.txt"
 
     - name: Install dependencies
       shell: bash
       run: |
         python -m pip install --upgrade pip
-        pip install -r ${{ github.action_path }}/requirements.txt
+        pip install -r ${{ steps.action-path.outputs.abs }}/requirements.txt
 
     - name: Create runtime .env for script
       shell: bash
       run: |
-        cp ${{ github.action_path }}/.env.example .env
+        cp ${{ steps.action-path.outputs.abs }}/.env.example .env
         printf "\nWAKA_API=%s\n" "${{ inputs.waka-api }}" >> .env
         printf "WAKA_TOKEN=%s\n" "${{ inputs.waka-token }}" >> .env
         printf "BAR_STYLE=%s\n" "${{ inputs.bar-style }}" >> .env