Update workflow playdate ini path

The 2.3.0 SDK release moved the location of the simulator
ini file to conform to XDG locations. This change updates
the build to use the new location

https://sdk.play.date/changelog/\#_2_3_0

.github/workflows/build.yml

@@ -98,7 +98,7 @@ jobs:
       # alert from showing in the first place
     - name: Create simulator ini
       run: |
-        export PD_INI_DIR="$HOME/.Playdate Simulator"
+        export PD_INI_DIR="$HOME/.config/Playdate Simulator"
         mkdir -p "$PD_INI_DIR"
         export PD_INI_FILE="$PD_INI_DIR/Playdate Simulator.ini"
         echo "ShowPerfWarning=0" > $PD_INI_FILE