ci: don't build for Linux ARM.

It was added in f88d390 but not properly tested to make sure the build worked.

.github/workflows/release.yaml

@@ -26,10 +26,6 @@ jobs:
           os: ubuntu-latest
           target: x86_64-unknown-linux-gnu
 
-        - build: linux-arm
-          os: ubuntu-latest
-          target: aarch64-unknown-linux-gnu
-
         - build: macos-intel
           os: macos-latest
           target: x86_64-apple-darwin
@@ -66,12 +62,6 @@ jobs:
 
     - run: rustup target add ${{ matrix.target }}
 
-    # Cross-compiling for ARM requires installing GCC for aarch64.
-    - if: matrix.build == 'linux-arm'
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y gcc-aarch64-linux-gnu
-
     - name: Build
       run: cargo build --bin yr --profile release-lto --target ${{ matrix.target }}
       env:
@@ -161,6 +151,9 @@ jobs:
     - run: rustup target add aarch64-apple-darwin x86_64-apple-darwin
       if: matrix.build == 'macos'
 
+    - run: rustup target add aarch64-pc-windows-msvc
+      if: matrix.build == 'windows'
+
     - name: Install Python dependencies
       run: pip install -U setuptools wheel twine cibuildwheel platformdirs