ci: cargo clean prior to cross build

rust/pact_ffi/release-linux.sh

@@ -38,6 +38,7 @@ openssl dgst -sha256 -r ../target/artifacts/libpact_ffi-linux-x86_64-musl.a.gz >
 
 echo -- Build the aarch64 release artifacts --
 cargo install cross --git https://github.com/cross-rs/cross
+cargo clean
 cross build --target aarch64-unknown-linux-gnu --release
 gzip -c ../target/aarch64-unknown-linux-gnu/release/libpact_ffi.so > ../target/artifacts/libpact_ffi-linux-aarch64.so.gz
 openssl dgst -sha256 -r ../target/artifacts/libpact_ffi-linux-aarch64.so.gz > ../target/artifacts/libpact_ffi-linux-aarch64.so.gz.sha256

rust/pact_mock_server_cli/release-linux.sh

@@ -9,6 +9,7 @@ openssl dgst -sha256 -r ../target/artifacts/pact_mock_server_cli-linux-x86_64.gz
 
 echo -- Build the aarch64 release artifacts --
 cargo install cross
+cargo clean
 cross build --target aarch64-unknown-linux-gnu --release
 gzip -c ../target/aarch64-unknown-linux-gnu/release/pact_mock_server_cli > ../target/artifacts/pact_mock_server_cli-linux-aarch64.gz
 openssl dgst -sha256 -r ../target/artifacts/pact_mock_server_cli-linux-aarch64.gz > ../target/artifacts/pact_mock_server_cli-linux-aarch64.gz.sha256

rust/pact_verifier_cli/release-linux.sh

@@ -10,6 +10,7 @@ openssl dgst -sha256 -r ../target/artifacts/pact_verifier_cli-linux-x86_64.gz >
 # aarch64 is failing to build on Rust 1.70+, and the dependencies need Rust 1.70+
 #echo -- Build the aarch64 release artifacts --
 #cargo install cross
+#cargo clean
 #cross build --target aarch64-unknown-linux-gnu --release
 #gzip -c ../target/aarch64-unknown-linux-gnu/release/pact_verifier_cli > ../target/artifacts/pact_verifier_cli-linux-aarch64.gz
 #openssl dgst -sha256 -r ../target/artifacts/pact_verifier_cli-linux-aarch64.gz > ../target/artifacts/pact_verifier_cli-linux-aarch64.gz.sha256