Temporary enable head version of rake-compiler-dock

... to fix C-ext rpath test case.

Author: larskanis

Gemfile

@@ -13,7 +13,7 @@ end
 group :test do
   gem "bundler", ">= 1.16", "< 3.0"
   gem "rake-compiler", "~> 1.0"
-  gem "rake-compiler-dock", "~> 1.9.1"
+  gem "rake-compiler-dock", "~> 1.9.1", git: "https://github.com/rake-compiler/rake-compiler-dock"
   gem "rspec", "~> 3.5"
   # "bigdecimal" is a gem on ruby-3.4+ and it's optional for ruby-pg.
   # Specs should succeed without it, but 4 examples are then excluded.

Rakefile

@@ -106,7 +106,7 @@ task 'gem:native:prepare' do
 	# Copy gem signing key and certs to be accessible from the docker container
 	mkdir_p 'build/gem'
 	sh "cp ~/.gem/gem-*.pem build/gem/ || true"
-	sh "bundle package"
+	sh "bundle package --all"
 	begin
 		OpenSSL::PKey.read(File.read(File.expand_path("~/.gem/gem-private_key.pem")), ENV["GEM_PRIVATE_KEY_PASSPHRASE"] || "")
 	rescue OpenSSL::PKey::PKeyError