build: try copying .grype.yaml to $HOME

.grype.yaml in root of checkout seems to not work.

Try copying to $HOME.

from:
https://stackoverflow.com/questions/70923388/create-a-file-in-github-action

[skip travis]

Author: rouilj

.github/workflows/anchore.yml

@@ -42,6 +42,8 @@ jobs:
       run: docker pull python:3-alpine; docker build . --file scripts/Docker/Dockerfile --tag localbuild/testimage:latest
     - name: List the Docker image
       run: docker image ls
+    - name: copy grype.yaml into $home
+      run: cp .grype.yaml $HOME/
     - name: Run the Anchore scan action itself with GitHub Advanced Security code scanning integration enabled
       uses: anchore/scan-action@24fd7c9060f3c96848dd1929fac8d796fb5ae4b4 # v3.3.6
       id: scan