Install python

Author: rell-fastly

.github/workflows/release.yml

@@ -1,12 +1,16 @@
 name: Update release db
 on: 
   release:
-    types: [released]
+    types: [released, edited]
 
 jobs:
   update:
     runs-on: ubuntu-latest
     steps:
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3
       - name: Update metadata
         run: |
           ./scripts/update-release-metadata.py sigsci-module-golang ${{ github.ref }}