DOC: Provide documentation for dockcross step

Author: hjmjohnson

.github/workflows/build-test-package-python.yml

@@ -112,6 +112,7 @@ jobs:
         export MANYLINUX_VERSION=`(echo ${MANYLINUX_PLATFORM} | cut -d '-' -f 1)`
         export TARGET_ARCH=`(echo ${MANYLINUX_PLATFORM} | cut -d '-' -f 2)`
         echo "Building for manylinux specialization ${MANYLINUX_VERSION} and target architecture ${TARGET_ARCH}"
+        echo "./dockcross-manylinux-download-cache-and-build-module-wheels.sh cp3${{ matrix.python3-minor-version }} $CMAKE_OPTIONS"
 
         ./dockcross-manylinux-download-cache-and-build-module-wheels.sh cp3${{ matrix.python3-minor-version }} $CMAKE_OPTIONS
 
@@ -205,6 +206,7 @@ jobs:
         export MANYLINUX_VERSION=`(echo ${MANYLINUX_PLATFORM} | cut -d '-' -f 1)`
         export TARGET_ARCH=`(echo ${MANYLINUX_PLATFORM} | cut -d '-' -f 2)`
         echo "Building for manylinux specialization ${MANYLINUX_VERSION} and target architecture ${TARGET_ARCH}"
+        echo "./dockcross-manylinux-download-cache-and-build-module-wheels.sh cp3${{ matrix.python3-minor-version }} $CMAKE_OPTIONS"
 
         ./dockcross-manylinux-download-cache-and-build-module-wheels.sh cp3${{ matrix.python3-minor-version }} $CMAKE_OPTIONS