upgrade goreleaser + constrain pipeline tool cache

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

.goreleaser.yaml

@@ -92,18 +92,15 @@ brews:
     description: *description
 
 dockers:
-  -
-    binaries:
-      - syft
-    dockerfile: Dockerfile
+  - dockerfile: Dockerfile
     image_templates:
       - "anchore/syft:latest"
       - "anchore/syft:{{ .Tag }}"
       - "anchore/syft:v{{ .Major }}"
       - "anchore/syft:v{{ .Major }}.{{ .Minor }}"
-
     build_flag_templates:
       - "--build-arg=BUILD_DATE={{.Date}}"
       - "--build-arg=BUILD_VERSION={{.Version}}"
       - "--build-arg=VCS_REF={{.FullCommit}}"
       - "--build-arg=VCS_URL={{.GitURL}}"
+    use_buildx: true