Try generating QR locally as UTF8 text

Signed-off-by: daniele-verducci <daniele.verducci@nextcloud.com>

Author: daniele-verducci

.github/workflows/qa.yml

@@ -80,9 +80,8 @@ jobs:
         env:
           ARTIFACT_URL: ${{ steps.upload-apk.outputs.artifact-url }}
         run: |
-          encoded=$(printf '%s' "$ARTIFACT_URL" | jq -sRr @uri)
-          echo "url=https://api.qrserver.com/v1/create-qr-code/?size=220x220&margin=8&data=$encoded" >> "$GITHUB_OUTPUT"
-
+          sudo apt-get -y install qrencode
+          qrencode -t UTF8 "$ARTIFACT_URL" >> "$GITHUB_OUTPUT"
       - name: Comment PR
         if: ${{ steps.check-secrets.outputs.ok == 'true' }}
         uses: thollander/actions-comment-pull-request@e4a76dd2b0a3c2027c3fd84147a67c22ee4c90fa
@@ -99,7 +98,7 @@ jobs:
             | **Version** | `${{ github.event.number }}` |
             | **Available until** | 7 days after this build |
 
-            <img alt="QR code for the download link" src="${{ steps.qr.outputs.url }}" width="180" height="180">
+            ${{ steps.qr.outputs }}
 
             The QA build installs alongside a released Nextcloud app, so you can keep
             using your existing install while testing.