Add CROSS_NO_WARNINGS for cross-compilation

.github/workflows/ci.yml

···
           rustup target add ${{ matrix.target }}
           # Set up environment for cross-compilation
           echo "PKG_CONFIG_ALLOW_CROSS=1" >> $GITHUB_ENV
+          echo "CROSS_NO_WARNINGS=0" >> $GITHUB_ENV
 
       - name: Cross-compile services
         run: |

Cross.toml

···
 image = "ghcr.io/cross-rs/aarch64-unknown-linux-gnu:main"
 
 [target.aarch64-unknown-linux-gnu.env]
-passthrough = ["CARGO_HOME", "CARGO_TARGET_DIR", "SQLX_OFFLINE"]
-# Allow cross-compilation of native dependencies
-PKG_CONFIG_ALLOW_CROSS = "1"
-# Use static linking to reduce runtime dependencies
-RUSTFLAGS = "-C target-feature=+crt-static -C link-arg=-s"
-# Disable problematic features that might require OpenSSL
-CC_aarch64_unknown_linux_gnu = "aarch64-linux-gnu-gcc"
-CXX_aarch64_unknown_linux_gnu = "aarch64-linux-gnu-g++"
+passthrough = [
+    "CARGO_HOME",
+    "CARGO_TARGET_DIR",
+    "SQLX_OFFLINE",
+    "PKG_CONFIG_ALLOW_CROSS",
+]