Correct upload path for publication.

Author: freakboy3742

.github/workflows/publish.yaml

@@ -35,4 +35,4 @@ jobs:
         python -m pip install -U setuptools
         python -m pip install awscli
         curl -o artefact.tar.gz -L https://github.com/beeware/Python-Linux-support/releases/download/${{ env.TAG }}/Python-${{ env.PY_VERSION }}-linux-x86_64-support.${{ env.BUILD_NUMBER }}.tar.gz
-        aws s3 cp artefact.tar.gz s3://briefcase-support/python/${{ env.PY_VERSION }}/android/Python-${{ env.PY_VERSION }}-linux-x86_64-support.${{ env.BUILD_NUMBER }}.tar.gz
+        aws s3 cp artefact.tar.gz s3://briefcase-support/python/${{ env.PY_VERSION }}/linux/x86_64/Python-${{ env.PY_VERSION }}-linux-x86_64-support.${{ env.BUILD_NUMBER }}.tar.gz