Screenshots: free disk after building a branch so the emulator fits

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011C2fAvFFcMRkaF7qSvRA1v

Author: claude

.github/workflows/screenshots.yml

@@ -43,6 +43,10 @@ jobs:
         run: |
           gradle :app:assembleRelease --no-daemon --stacktrace
           cp app/build/outputs/apk/release/app-release.apk AKL-Live.apk
+          # the emulator needs the disk the build just used
+          rm -rf app/build ~/.gradle/caches
+          sudo rm -rf /usr/share/dotnet /opt/ghc /usr/local/share/boost
+          df -h /
 
       - name: Enable KVM
         run: |
@@ -56,6 +60,7 @@ jobs:
           target: google_apis
           arch: x86_64
           profile: pixel_7
+          disk-size: 4096M
           disable-animations: false
           script: bash tools/ci_screens.sh