[Maint, CI] Update workflow action versions and add concurrency to au…

…to-cancel (#186)

* update action versions

* use concurrency to auto-cancel

.github/workflows/test_and_deploy.yml

@@ -14,6 +14,10 @@ on:
       - main
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   code:
     name: Code
@@ -23,9 +27,9 @@ jobs:
       matrix:
         task: [flake8, black, isort]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python 3.8
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.8
       - name: Install dependencies
@@ -43,10 +47,10 @@ jobs:
         python-version: [ "3.8", "3.9", "3.10" ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -67,14 +71,14 @@ jobs:
 
       # this runs the platform-specific tests declared in tox.ini
       - name: Test with tox
-        uses: GabrielBB/xvfb-action@v1
+        uses: aganders3/headless-gui@v1
         with:
             run: tox
         env:
           PLATFORM: ${{ matrix.platform }}
 
       - name: Coverage
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
 
   deploy:
     # this will run when you have tagged a commit, starting with "v*"
@@ -84,9 +88,9 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.ref, 'tags')
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.x"
       - name: Install dependencies