build: Build binaries for Linux AArch64

GitHub added new runners with ARM processors, and we are able to easily
build binaries for AArch64 that way!

Author: kjarosh

.github/workflows/release_nightly.yml

@@ -71,6 +71,9 @@ jobs:
           - build_name: linux-x86_64
             os: ubuntu-24.04
 
+          - build_name: linux-aarch64
+            os: ubuntu-24.04-arm
+
           # Mac does two Rust builds to make a universal binary
           - build_name: macos-x86_64
             os: macos-14

.github/workflows/test_rust.yml

@@ -58,7 +58,7 @@ jobs:
       fail-fast: false
       matrix:
         rust_version: [stable]
-        os: [ubuntu-24.04, windows-latest, macos-14]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, windows-latest, macos-14]
         include:
           - rust_version: nightly
             os: ubuntu-24.04
@@ -181,7 +181,7 @@ jobs:
     strategy:
       matrix:
         rust_version: [stable]
-        os: [ubuntu-24.04, windows-latest, macos-14]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, windows-latest, macos-14]
         include:
           - rust_version: nightly
             os: ubuntu-24.04