improved master workflow for github actions

Author: christiangda

.promu.yml

@@ -28,13 +28,10 @@ tarball:
 crossbuild:
   platforms:
     - linux/amd64
-    # - linux/386
-    # - linux/arm
-    # - linux/arm64
-    # - linux/ppc64
-    # - linux/ppc64le
-    # - linux/s390x
-    # - darwin/amd64
-    # - darwin/386
-    # - windows/amd64
-    # - windows/386
+    - linux/386
+    - linux/arm
+    - linux/arm64
+    - darwin/amd64
+    - darwin/386
+    - windows/amd64
+    - windows/386