Updated Arch Linux installation [skip ci]

Author: ankane

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.11.1 (unreleased)
+
+- Added binary installation for Arch Linux
+
 ## 0.11.0 (2023-11-16)
 
 - Updated OR-Tools to 9.8

Rakefile

@@ -26,7 +26,7 @@ task :update do
   require "tmpdir"
 
   version = "9.8.3296"
-  distributions = ["arm64_macOS-14.1", "x86_64_macOS-14.1", "ubuntu-22.04", "ubuntu-20.04", "debian-11", "centos-7"]
+  distributions = ["arm64_macOS-14.1", "x86_64_macOS-14.1", "ubuntu-22.04", "ubuntu-20.04", "debian-11", "centos-7", "archlinux"]
 
   short_version = version.split(".").first(2).join(".")
   distributions.each do |dist|

ext/or-tools/vendor.rb

@@ -40,7 +40,7 @@
   elsif os == "centos" && os_version == "7" && !arm
     filename = "or-tools_amd64_centos-7_cpp_v#{version}.tar.gz"
     checksum = "d9f193572d3a38b3062ae4cb89afc654e662eb734a9361b1575d649b9530cf60"
-  elsif os == "arch"
+  elsif os == "arch" && !arm
     filename = "or-tools_amd64_archlinux_cpp_v#{version}.tar.gz"
     checksum = "803e4b78e7d05b8027a2a391183c8c7855bb758f74d9ced872cfa68e0b9d7d64"
   else