chore: update ubuntu version in publish script

Author: cjbell

.github/workflows/publish.yml

@@ -1,34 +1,34 @@
 name: Publish package
 on:
-  release:
-    types: [created]
+    release:
+        types: [created]
 
 jobs:
-  build-n-publish:
-    name: Build and publish
-    runs-on: ubuntu-18.04
+    build-n-publish:
+        name: Build and publish
+        runs-on: ubuntu-22.04
 
-    steps:
-    - uses: actions/checkout@master
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v1
-      with:
-        python-version: 3.9
-    - name: Install pypa/build
-      run: >-
-        python -m
-        pip install
-        build
-        --user
-    - name: Build a binary wheel and a source tarball
-      run: >-
-        python -m
-        build
-        --sdist
-        --wheel
-        --outdir dist/
-        .
-    - name: Publish distribution 📦 to PyPI
-      uses: pypa/gh-action-pypi-publish@master
-      with:
-        password: ${{ secrets.PYPI_API_TOKEN }}
+        steps:
+            - uses: actions/checkout@master
+            - name: Set up Python 3.9
+              uses: actions/setup-python@v1
+              with:
+                  python-version: 3.9
+            - name: Install pypa/build
+              run: >-
+                  python -m
+                  pip install
+                  build
+                  --user
+            - name: Build a binary wheel and a source tarball
+              run: >-
+                  python -m
+                  build
+                  --sdist
+                  --wheel
+                  --outdir dist/
+                  .
+            - name: Publish distribution 📦 to PyPI
+              uses: pypa/gh-action-pypi-publish@master
+              with:
+                  password: ${{ secrets.PYPI_API_TOKEN }}