fix: use native ARM64 runner instead of cross-compilation

- Use ubuntu-24.04-arm runner for native ARM64 builds
- Remove cross-compilation setup (OpenSSL issues in Docker)
- Native builds are more reliable and faster

.github/workflows/release.yml

@@ -24,11 +24,10 @@ jobs:
             target: x86_64-unknown-linux-gnu
             artifact-name: synor-linux-x86_64
             archive-ext: tar.gz
-          - os: ubuntu-latest
+          - os: ubuntu-24.04-arm
             target: aarch64-unknown-linux-gnu
             artifact-name: synor-linux-aarch64
             archive-ext: tar.gz
-            cross: true
           - os: macos-latest
             target: x86_64-apple-darwin
             artifact-name: synor-macos-x86_64
@@ -53,12 +52,8 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
-      - name: Install cross tool
-        if: matrix.cross
-        run: cargo install cross --git https://github.com/cross-rs/cross
-
       - name: Install system dependencies (Linux)
-        if: runner.os == 'Linux' && !matrix.cross
+        if: runner.os == 'Linux'
         run: |
           sudo apt-get update
           sudo apt-get install -y libclang-dev llvm-dev
@@ -83,14 +78,8 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-${{ matrix.target }}-cargo-target-release-
 
-      - name: Build release binaries (Unix with cross)
-        if: runner.os != 'Windows' && matrix.cross
-        env:
-          TARGET: ${{ matrix.target }}
-        run: cross build --release --workspace --target "$TARGET"
-
-      - name: Build release binaries (Unix native)
-        if: runner.os != 'Windows' && !matrix.cross
+      - name: Build release binaries (Unix)
+        if: runner.os != 'Windows'
         env:
           TARGET: ${{ matrix.target }}
         run: cargo build --release --workspace --target "$TARGET"