switch to buildx

.drone.jsonnet

@@ -72,7 +72,7 @@ local PipelineBuildContainer(arch='amd64') = {
     },
     {
       name: 'publish-quay',
-      image: 'thegeeklab/drone-docker:19',
+      image: 'thegeeklab/drone-docker-buildx:20',
       settings: {
         dockerfile: 'Dockerfile.' + std.split(arch, '_')[0],
         registry: 'quay.io',

.drone.yml

@@ -71,7 +71,7 @@ steps:
   - tags
 
 - name: publish-quay
-  image: thegeeklab/drone-docker:19
+  image: thegeeklab/drone-docker-buildx:20
   settings:
     dockerfile: Dockerfile.amd64
     password:
@@ -149,7 +149,7 @@ steps:
   - tags
 
 - name: publish-quay
-  image: thegeeklab/drone-docker:19
+  image: thegeeklab/drone-docker-buildx:20
   settings:
     dockerfile: Dockerfile.arm64
     password:
@@ -227,7 +227,7 @@ steps:
   - tags
 
 - name: publish-quay
-  image: thegeeklab/drone-docker:19
+  image: thegeeklab/drone-docker-buildx:20
   settings:
     dockerfile: Dockerfile.arm
     password:
@@ -346,6 +346,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: ac69e7362831195957a0d9831ea3df174403714a25ed5ce7ec4cb66168d98fb5
+hmac: 79016d019c45a35db1b95f25003ff0917115033684498ccb9ebf80d345051cc2
 
 ...