Fix PICO_SDK_PATH in BuildAndRelease.yml to point to the correct SDK directory

Author: fhoedemakers

.github/workflows/BuildAndRelease.yml

@@ -78,7 +78,7 @@ jobs:
           - name: Build all the .uf2 files
             run: |            
                  chmod +x build*.sh bld.sh || exit 1
-                 export PICO_SDK_PATH=$HOME/pico2/pico-sdk
+                 export PICO_SDK_PATH=$HOME/pico-sdk
                  ./buildAll.sh
 
           # - name: Show release info using picotool