Fix workflows wording

Author: williamdes

.github/workflows/build.yml

@@ -27,7 +27,7 @@ jobs:
               env:
                 DOCKER_BUILDKIT: 1
                 PLATFORM: "${{ matrix.platform }}"
-            - name: Build docker image
+            - name: Test docker image
               run: make test
               env:
                 DOCKER_BUILDKIT: 1

.github/workflows/publish.yml

@@ -42,7 +42,7 @@ jobs:
           env:
             DOCKER_BUILDKIT: 1
 
-        - name: Build docker image
+        - name: Test docker image
           run: make test
           env:
             DOCKER_BUILDKIT: 1