Update Trivy scan workflow to use previous tag and adjust image references

Author: BryanFauble

.github/workflows/build.yml

@@ -593,7 +593,7 @@ jobs:
           file: ./Dockerfile
           platforms: linux/amd64
           cache-from: type=registry,ref=ghcr.io/sage-bionetworks/synapsepythonclient:build-cache
-          cache-to: type=registry,mode=max,ref=ghcr.io/sage-bionetworks/synapsepythonclient:build-cache
+          cache-to: type=inline
       - name: Save Docker image to tar
         run: docker save synapsepythonclient-release:local -o ${{ env.TARFILE_NAME }}
       - name: Upload tar artifact

.github/workflows/trivy_periodic_scan.yml

@@ -31,7 +31,7 @@ jobs:
           dry_run: true # setting to 'true' means no new version is created
     outputs:
       image_repo: ghcr.io/${{ steps.to_lower_case.outputs.repo_name }}
-      image_tag: ${{ steps.find_version.outputs.previous_version }}
+      image_tag: ${{ steps.find_version.outputs.previous_tag }}
     permissions:
       contents: read
 
@@ -80,7 +80,7 @@ jobs:
     uses: "./.github/workflows/docker_build.yml"
     with:
       REF_TO_CHECKOUT: ${{ needs.get-image-reference.outputs.image_tag }}
-      IMAGE_REFERENCES: "${{ needs.get-image-reference.outputs.image_repo }}:${{ needs.compute-next-version.outputs.new_version }},${{ needs.get-image-reference.outputs.image_repo }}:${{ needs.compute-next-version.outputs.new_major_minor }}"
+      IMAGE_REFERENCES: "${{ needs.get-image-reference.outputs.image_repo }}:${{ needs.compute-next-version.outputs.new_tag }},${{ needs.get-image-reference.outputs.image_repo }}:${{ needs.compute-next-version.outputs.new_major_minor }}"
     permissions:
       contents: read
       deployments: write