Added back Py 3.6 arm64 linux wheel generation (#1607)

Author: pranavrth

tools/build-manylinux.sh

@@ -15,7 +15,7 @@
 #  docker run -t -v $(pwd):/io quay.io/pypa/manylinux2010_x86_64:latest  /io/tools/build-manylinux.sh <librdkafka_tag>
 
 LIBRDKAFKA_VERSION=$1
-PYTHON_VERSIONS=("cp37" "cp38" "cp39" "cp310" "cp311" )
+PYTHON_VERSIONS=("cp36" "cp37" "cp38" "cp39" "cp310" "cp311" )
 
 if [[ -z "$LIBRDKAFKA_VERSION" ]]; then
     echo "Usage: $0 <librdkafka_tag>"