Bump version for 1.8.3

Build both arches with remote multarch builder

.github/workflows/ci.yml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - main
+      - 1-8-stable
   pull_request:
 jobs:
   rubocop:

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    kamal (1.8.2)
+    kamal (1.8.3)
       activesupport (>= 7.0)
       base64 (~> 0.2)
       bcrypt_pbkdf (~> 1.0)

lib/kamal/commands/builder/multiarch/remote.rb

@@ -58,4 +58,8 @@ class Kamal::Commands::Builder::Multiarch::Remote < Kamal::Commands::Builder::Mu
     def remove_context(arch)
       docker :context, :rm, builder_name_with_arch(arch)
     end
+
+    def platform_names
+      "linux/#{local_arch},linux/#{remote_arch}"
+    end
 end

lib/kamal/version.rb

@@ -1,3 +1,3 @@
 module Kamal
-  VERSION = "1.8.2"
+  VERSION = "1.8.3"
 end

test/commands/builder_test.rb

@@ -30,10 +30,10 @@ class CommandsBuilderTest < ActiveSupport::TestCase
   end
 
   test "target multiarch remote when local and remote is set" do
-    builder = new_builder_command(builder: { "local" => {}, "remote" => {}, "cache" => { "type" => "gha" } })
+    builder = new_builder_command(builder: { "local" => { "arch" => "arm64" }, "remote" => { "arch" => "amd64" }, "cache" => { "type" => "gha" } })
     assert_equal "multiarch/remote", builder.name
     assert_equal \
-      "docker buildx build --push --platform linux/amd64,linux/arm64 --builder kamal-app-multiarch-remote -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile .",
+      "docker buildx build --push --platform linux/arm64,linux/amd64 --builder kamal-app-multiarch-remote -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile .",
       builder.push.join(" ")
   end