fix wheel build for containers

.drone.jsonnet

@@ -168,7 +168,7 @@ local PipelineBuildContainer(arch="amd64") = {
       image: "python:3.7",
       pull: "always",
       commands: [
-          "python setup.py sdist",
+          "python setup.py bdist_wheel",
       ]
     },
     {

.drone.yml

@@ -190,7 +190,7 @@ steps:
   pull: always
   image: python:3.7
   commands:
-  - python setup.py sdist
+  - python setup.py bdist_wheel
 
 - name: dryrun
   pull: always
@@ -243,7 +243,7 @@ steps:
   pull: always
   image: python:3.7
   commands:
-  - python setup.py sdist
+  - python setup.py bdist_wheel
 
 - name: dryrun
   pull: always
@@ -296,7 +296,7 @@ steps:
   pull: always
   image: python:3.7
   commands:
-  - python setup.py sdist
+  - python setup.py bdist_wheel
 
 - name: dryrun
   pull: always
@@ -374,6 +374,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 12d53a8a9e0879658adffbf3e8fd079859ecd1af3fdf000a087c51047b9ac839
+hmac: 203b4f46bf25c54c5f2b24d5e863a1533711e2222740081751ab712a02acd348
 
 ...