use github.action_path for requirements.txt (#8)

* use github.action_path for requirements.txt

* fix path of minimum_versions.py script

Author: mathause

action.yaml

@@ -16,12 +16,12 @@ runs:
     - name: install dependencies
       shell: bash -l {0}
       run: |
-        python -m pip install -r requirements.txt
+        python -m pip install -r ${{ github.action_path }}/requirements.txt
     - name: analyze environments
       shell: bash -l {0}
       env:
         COLUMNS: 120
         FORCE_COLOR: 3
         INPUT: ${{ inputs.environment-paths }}
       run: |
-        python minimum_versions.py $(echo $INPUT)
+        python ${{ github.action_path }}/minimum_versions.py $(echo $INPUT)