Update test-action.yml

Author: samyarsadat

.github/workflows/test-action.yml

@@ -31,7 +31,7 @@ jobs:
 
             - name: Build Blink Example
               id: build
-              uses: ./
+              uses: samyarsadat/Pico-Build-Action@v1
               with:
                   source_dir: "test_program"
                   output_dir: "build"
@@ -43,4 +43,4 @@ jobs:
               with:
                   name: workspace_artifacts
                   path: ${{steps.build.outputs.output_dir}}
-                  if-no-files-found: error
+                  if-no-files-found: error