[chore](build) add apache-orc git submodule path (apache#18695)

1. Add apache-orc git submodule update path, not update all modules
When sh build.sh, update all modules will fails serveral times because of unstable github network.
It wastes many time.

2. Add gitignore for  be/src/apache-orc/   to avoid mistake commits.

.gitignore

@@ -83,6 +83,7 @@ be/src/gen_cpp/opcode
 be/tags
 be/test/olap/test_data/tablet_meta_test.hdr
 be/.devcontainer/
+be/src/apache-orc/
 
 ## tools
 tools/ssb-tools/ssb-data/

build.sh

@@ -251,7 +251,7 @@ if [[ ! -f "${DORIS_HOME}/be/src/apache-orc/README.md" ]]; then
     echo "apache-orc not exists, need to update submodules ..."
     set +e
     cd "${DORIS_HOME}"
-    git submodule update --init --recursive
+    git submodule update --init --recursive be/src/apache-orc
     exit_code=$?
     set -e
     if [[ "${exit_code}" -ne 0 ]]; then