Set environment variables for all steps in a GitHub Action#

From this example I learned that you can set environment variables such that they will be available in ALL jobs once at the top of a workflow:

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name: Build and Deploy to Cloud Run
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on:
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  push:
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    branches:
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    - master
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env:
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  PROJECT_ID: ${{ secrets.RUN_PROJECT }}
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  RUN_REGION: us-central1
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  SERVICE_NAME: helloworld-nodejs

I had previously been using this much more verbose pattern:

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    - name: Fetch projects
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      env:
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        BIGLOCAL_TOKEN: ${{ secrets.BIGLOCAL_TOKEN }}
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      run: python fetch_projects.py dbs/biglocal.db $BIGLOCAL_TOKEN --contact ...