upgrade goreleaser + constrain pipeline tool cache

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

.github/workflows/release.yaml

@@ -103,23 +103,32 @@ jobs:
         with:
           fetch-depth: 0
 
-      # We are expecting this cache to have been created during the "Build-Snapshot-Artifacts" job in the "Acceptance" workflow.
-      - name: Restore bootstrap cache
-        id: cache
+      - name: Restore tool cache
+        id: tool-cache
         uses: actions/cache@v2.1.3
         with:
-          path: |
-            ~/go/pkg/mod
-            ${{ github.workspace }}/.tmp
-          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}-${{ hashFiles('Makefile') }}
+          path: ${{ github.workspace }}/.tmp
+          key: ${{ runner.os }}-tool-${{ hashFiles('Makefile') }}
+
+      - name: Restore go cache
+        id: go-cache
+        uses: actions/cache@v2.1.3
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
           restore-keys: |
-            ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}-
             ${{ runner.os }}-go-${{ env.GO_VERSION }}-
 
-      - name: Bootstrap project dependencies
-        if: steps.bootstrap-cache.outputs.cache-hit != 'true'
+      - name: (cache-miss) Bootstrap all project dependencies
+        if: steps.tool-cache.outputs.cache-hit != 'true' || steps.go-cache.outputs.cache-hit != 'true'
         run: make bootstrap
 
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.TOOLBOX_DOCKER_USER }}
+          password: ${{ secrets.TOOLBOX_DOCKER_PASS }}
+
       - name: Import GPG key
         id: import_gpg
         uses: crazy-max/ghaction-import-gpg@v2