Upgrade to OPENRNDR 0.4 snapshot

.github/workflows/generate-screenshots.yml

@@ -1,47 +0,0 @@
-name: Generate screenshots
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  build:
-    runs-on: ubuntu-18.04
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-java@v1
-        with:
-          java-version: 14
-      - uses: openrndr/setup-opengl@v1.1
-      - name: Test glxinfo
-        run: |
-          echo $LD_LIBRARY_PATH
-          export GALLIUM_DRIVER=swr
-          xvfb-run glxinfo
-
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle-
-
-      - name: Collect screenshots
-        run: xvfb-run ./gradlew collectScreenshots
-      - name: Build main readme
-        run: xvfb-run ./gradlew buildMainReadme
-      - name: Prepare media branch
-        run: |
-          git config --global user.email "actions@openrndr.org"
-          git config --global user.name "OPENRNDR Actions"
-          git reset HEAD -- .
-          (git add README.md && git commit -m "add auto-generated README" && git push origin master) || true
-          (git add [a-z-]*/README.md && git commit -m "add demos to README.md" && git push origin master) || true
-          git checkout --orphan media
-          git reset HEAD -- .
-          git add [a-z-]*/images/*.png
-          git commit -m "add auto-generated media"
-          git push -f origin media
-