try to reduce size of resulting OCI packages

.gitlab/prepare-oci-package.sh

@@ -25,6 +25,18 @@ BUILD_DIR=sources
 
 echo -n "$PYTHON_PACKAGE_VERSION" > sources/version
 
+
+echo "Cleaning up binaries for ${ARCH}"
+if [ "${ARCH}" == "arm64" ]; then
+  echo "Removing x86_64 binaries"
+  find ../pywheels-dep/ -type f -name '*x86_64*' -exec rm -f {} \;
+elif [ "${ARCH}" == "amd64" ]; then
+  echo "Removing aarch64 binaries"
+  find ../pywheels-dep/ -type f -name '*aarch64*' -exec rm -f {} \;
+else
+  echo "No ARCH set, not removing any binaries"
+fi
+
 cp -r ../pywheels-dep/site-packages* sources/ddtrace_pkgs
 
 cp ../lib-injection/sources/* sources/