fix(ci): set aarch64-linux-gnu-gcc linker for aarch64-unknown-linux-gnu cross-compilation

Author: Lawouach

.cargo/config.toml

@@ -11,6 +11,14 @@ rustflags = [
   "-C", "link-arg=-Wl,--gc-sections",
 ]
 
+# aarch64 Linux cross-compilation (CI)
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"
+rustflags = [
+  "-C", "symbol-mangling-version=v0",
+  "-C", "link-arg=-Wl,--gc-sections",
+]
+
 # macOS (if you build/run locally)
 [target.aarch64-apple-darwin]
 rustflags = [