Switch to rustls, fix cross-platform CI

- Replace native-tls with rustls for reqwest and tokio-tungstenite
  (removes OpenSSL system dependency for cross-compilation)
- Use cross for Linux aarch64 builds
- Set fail-fast: false so all platforms build independently

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: danupsher

.github/workflows/release.yml

@@ -11,23 +11,29 @@ permissions:
 jobs:
   build:
     strategy:
+      fail-fast: false
       matrix:
         include:
           - target: x86_64-unknown-linux-gnu
             os: ubuntu-latest
             name: vsbtc-linux-x86_64
+            cross: false
           - target: aarch64-unknown-linux-gnu
             os: ubuntu-latest
             name: vsbtc-linux-aarch64
+            cross: true
           - target: x86_64-apple-darwin
             os: macos-latest
             name: vsbtc-macos-x86_64
+            cross: false
           - target: aarch64-apple-darwin
             os: macos-latest
             name: vsbtc-macos-aarch64
+            cross: false
           - target: x86_64-pc-windows-msvc
             os: windows-latest
             name: vsbtc-windows-x86_64
+            cross: false
 
     runs-on: ${{ matrix.os }}
 
@@ -39,21 +45,22 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
-      - name: Install Linux cross-compilation deps (aarch64)
-        if: matrix.target == 'aarch64-unknown-linux-gnu'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
-          echo "CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc" >> $GITHUB_ENV
-          echo "PKG_CONFIG_SYSROOT_DIR=/usr/aarch64-linux-gnu" >> $GITHUB_ENV
+      - name: Install cross
+        if: matrix.cross
+        run: cargo install cross --git https://github.com/cross-rs/cross
 
       - name: Install Linux deps (x86_64)
         if: matrix.target == 'x86_64-unknown-linux-gnu'
         run: |
           sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev libxkbcommon-dev libssl-dev
+          sudo apt-get install -y libgtk-3-dev libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev libxkbcommon-dev
+
+      - name: Build (cross)
+        if: matrix.cross
+        run: cross build --release --target ${{ matrix.target }}
 
-      - name: Build
+      - name: Build (native)
+        if: "!matrix.cross"
         run: cargo build --release --target ${{ matrix.target }}
 
       - name: Package (Unix)