CI: Move LaTeX job to GitHub Actions (#10884)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

.circleci/config.yml

@@ -1,16 +0,0 @@
-version: 2
-jobs:
-  build:
-    docker:
-      - image: sphinxdoc/docker-ci
-        environment:
-          DO_EPUBCHECK: 1
-    working_directory: /sphinx
-    steps:
-      - checkout
-      - run: /python3.8/bin/pip install -U pip setuptools
-      - run: /python3.8/bin/pip install -U .[test]
-      - run: mkdir -p test-reports/pytest
-      - run: make test PYTHON=/python3.8/bin/python TEST="--junitxml=test-reports/pytest/results.xml -vv"
-      - store_test_results:
-          path: test-reports

.github/workflows/latex.yml

@@ -0,0 +1,24 @@
+name: CI (LaTeX)
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    name: Python 3.8
+    container:
+      image: sphinxdoc/docker-ci
+    env:
+      DO_EPUBCHECK: 1
+      PATH: /python3.8/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+    steps:
+    - uses: actions/checkout@v3
+    - name: Check Python version
+      run: python --version
+    - name: Install dependencies
+      run: pip install -U pip tox
+    - name: Run Tox
+      run: tox -e py -- -vv