test(ci): free up disk space on runners

the new runners have more and more tools and slightly less
disk space, leading to out of space errors

Author: mikehardy

.github/workflows/tests_e2e_android.yml

@@ -46,6 +46,17 @@ jobs:
       EMULATOR_COMMAND: "-avd TestingAVD -noaudio -gpu swiftshader_indirect -camera-back none -no-snapshot -no-window -no-boot-anim -nojni -memory 2048 -timezone 'Europe/London' -cores 2"
       EMULATOR_EXECUTABLE: qemu-system-x86_64-headless
     steps:
+      - name: Liberate disk space
+        uses: jlumbroso/free-disk-space@main
+        with:
+          tool-cache: false
+          android: false
+          dotnet: true
+          haskell: true
+          large-packages: false
+          docker-images: true
+          swap-storage: false
+
       - name: Enable KVM group perms
         run: |
           echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules