travis is dead, move ci to gh actions

Author: ewdurbin

.github/workflows/ci.yml

@@ -0,0 +1,21 @@
+name: CI
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: ${{ matrix.name }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version-file: '.python-version'
+      - name: Install tox
+        run: |
+          pip install tox
+      - name: Run tox
+        run: tox

.python-version

@@ -0,0 +1 @@
+3.10.4

.travis.yml

@@ -1,5 +1,5 @@
 [tox]
-envlist = py36
+envlist = py310
 skipsdist = True
 
 [testenv]