ci: use absolute path

Author: alexkornitzer

.github/workflows/v2.yml

@@ -63,7 +63,7 @@ jobs:
       - name: Create artifacts directory
         run: mkdir chainsaw
       - name: Build
-        run: CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-unknown-linux-gnu
+        run: CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=/usr/bin/aarch64-linux-gnu-gcc
           cargo build --all --release --target aarch64-unknown-linux-gnu && strip
           target/aarch64-unknown-linux-gnu/release/chainsaw
       - name: Upload binary artifact