Update idf-setup.sh

Author: luc-github

.github/ci/idf-setup.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Exit immediately if a command exits with a non-zero status.
 set -e
-git clone -b v5.1.2 --recursive --shallow-submodules https://github.com/espressif/esp-idf.git
+git clone -b v5.1.5 --recursive --shallow-submodules https://github.com/espressif/esp-idf.git
 cd ./esp-idf
 ./install.sh
 source ./export.sh