Add environment with API key for tool fetching (#175)

.github/workflows/fetch_filter_resources.yaml

@@ -37,6 +37,7 @@ jobs:
   fetch-tools-stepwise:
     runs-on: ubuntu-20.04
     name: Fetch tool stepwise
+    environment: fetch-tools
     needs: fetch-servers
     strategy:
       #max-parallel: 1 #need to run one after another, since otherwise there is a chance, that mulitple jobs want to push to the results branch at the same time (which fails due to merge)