Update build.yaml

Author: mgrouch

.github/workflows/build.yaml

@@ -29,3 +29,4 @@ jobs:
         sketch-names-find-start: bbn_*/*
         extra-arduino-cli-args: "--warnings default --build-property compiler.libraries.ldflags=-Wl,--allow-multiple-definition "
         set-build-path: true
+        sketches-exclude: bbn_m5atomS3_lite_encoder_unit,bbn_m5atomS3_lite_ain_4_20ma