Update archive-build.sh

Author: Jason2866

tools/archive-build.sh

@@ -29,7 +29,9 @@ if [ -d "out" ]; then
     #git clone https://github.com/espressif/arduino-esp32 -b $AR_BRANCH_SUFFIX
     git clone https://github.com/espressif/arduino-esp32 -b master
     # use specific commit 6e7cc521. Changes after did broke stuff. https://github.com/espressif/arduino-esp32/issues/4920
+    cd arduino-esp32
     git reset --hard 6e7cc521
+    cd ..
     rm -rf arduino-esp32/tools/sdk
     rm -rf arduino-esp32/docs
     cp -Rf tools/sdk arduino-esp32/tools/sdk