GHA for automatically canceling previous CI runs (pydata#5025)

Author: andersy005

.github/workflows/cancel-duplicate-runs.yaml

@@ -0,0 +1,14 @@
+name: Cancel
+on:
+ workflow_run:
+ workflows: ["CI", "CI Additional", "CI Upstream"]
+ types:
+ - requested
+jobs:
+ cancel:
+ name: Cancel previous runs
+ runs-on: ubuntu-latest
+ steps:
+ - uses: styfle/cancel-workflow-action@0.8.0
+ with:
+ workflow_id: ${{ github.event.workflow.id }}

.github/workflows/ci-additional.yaml

@@ -45,10 +45,6 @@ jobs:
  "py38-flaky",
  ]
  steps:
- - name: Cancel previous runs
- uses: styfle/cancel-workflow-action@0.6.0
- with:
- access_token: ${{ github.token }}
  - uses: actions/checkout@v2
  with:
  fetch-depth: 0 # Fetch all history for all branches and tags.
@@ -120,10 +116,6 @@ jobs:
  shell: bash -l {0}
 
  steps:
- - name: Cancel previous runs
- uses: styfle/cancel-workflow-action@0.6.0
- with:
- access_token: ${{ github.token }}
  - uses: actions/checkout@v2
  with:
  fetch-depth: 0 # Fetch all history for all branches and tags.
@@ -161,10 +153,6 @@ jobs:
  shell: bash -l {0}
 
  steps:
- - name: Cancel previous runs
- uses: styfle/cancel-workflow-action@0.6.0
- with:
- access_token: ${{ github.token }}
  - uses: actions/checkout@v2
  with:
  fetch-depth: 0 # Fetch all history for all branches and tags.
@@ -205,10 +193,6 @@ jobs:
  shell: bash -l {0}
 
  steps:
- - name: Cancel previous runs
- uses: styfle/cancel-workflow-action@0.6.0
- with:
- access_token: ${{ github.token }}
  - uses: actions/checkout@v2
  with:
  fetch-depth: 0 # Fetch all history for all branches and tags.

.github/workflows/ci.yaml

@@ -37,10 +37,6 @@ jobs:
  os: ["ubuntu-latest", "macos-latest", "windows-latest"]
  python-version: ["3.7", "3.8"]
  steps:
- - name: Cancel previous runs
- uses: styfle/cancel-workflow-action@0.6.0
- with:
- access_token: ${{ github.token }}
  - uses: actions/checkout@v2
  with:
  fetch-depth: 0 # Fetch all history for all branches and tags.

.github/workflows/upstream-dev-ci.yaml

@@ -47,10 +47,6 @@ jobs:
  outputs:
  artifacts_availability: ${{ steps.status.outputs.ARTIFACTS_AVAILABLE }}
  steps:
- - name: Cancel previous runs
- uses: styfle/cancel-workflow-action@0.6.0
- with:
- access_token: ${{ github.token }}
  - uses: actions/checkout@v2
  - uses: conda-incubator/setup-miniconda@v2
  with: