Add source-path to libraries in compile-arduino workflow

Added a new source-path entry to the libraries section in the compile-arduino workflow configuration file. This change includes the current directory as a source path for libraries.

.github/workflows/compile-arduino.yml

@@ -27,6 +27,7 @@ jobs:
           fqbn: ${{ matrix.board.fqbn }}
           sketches-report-path: ${{ env.SKETCHES_REPORTS_PATH }}
           libraries: |
+            - source-path: ./
             - source-url: https://github.com/johnrickman/LiquidCrystal_I2C.git
             - source-url: https://github.com/feilipu/Arduino_FreeRTOS_Library.git
             - source-url: https://github.com/mprograms/SimpleRotary.git