Add a Termux integration test (#18332)

After this, I want to figure out how to unify more of the smoke, system,
and integration tests, but this seems like a sufficient start for Termux
testing.

.github/workflows/test-integration.yml

@@ -652,6 +652,31 @@ jobs:
           .\uv.exe pip install --extra-index-url=$env:PYODIDE_INDEX --no-build numpy
           python -c 'import numpy'
 
+  integration-test-termux:
+    name: "termux on android"
+    timeout-minutes: 15
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: "Download binary"
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
+        with:
+          name: uv-linux-musl-${{ inputs.sha }}
+
+      - name: "Prepare binary"
+        run: chmod +x ./uv
+
+      - name: "Run uv on Termux"
+        run: |
+          docker run --rm \
+            -v "$PWD/uv:/uv" \
+            -v "$PWD/test/integration/termux.sh:/test-termux.sh" \
+            termux/termux-docker:x86_64 \
+            /entrypoint.sh bash /test-termux.sh
+
   integration-test-github-actions:
     name: "github actions"
     timeout-minutes: 10