chore: refactor tmp folder for lift-code

Signed-off-by: warjiang <[email protected]>

Author: warjiang

.gitignore

@@ -35,5 +35,5 @@ cmd/ops
 
 # local api pid
 .api.pid
-tmp
+.tmp
 

hack/lift-kubernetes-dashboard-api.sh

@@ -29,7 +29,7 @@ usage() {
   exit 0
 }
 
-TMP_DIR=${REPO_ROOT}/tmp
+TMP_DIR=${REPO_ROOT}/.tmp
 BRANCH_NAME="release/7.10.1"
 FORCE=false
 DEBUG=false