Update CI workflow matrix (#173)

Co-authored-by: atharva <62803658+vovw@users.noreply.github.com>

Author: 5iri

.github/workflows/test-build-app.yml

@@ -10,7 +10,7 @@ jobs:
       image: espressif/idf:release-v5.1
     strategy:
       matrix:
-        test-apps: [1_led_blink, 2_LSA, 3_MPU, 4_switch_controlled_motor_normal, 5_PWM, 6_line_following, 7_self_balancing]
+        test-apps: [1_led_matrix, 2_LSA, 3_MPU, 5_PWM, 6_line_following, 7_self_balancing]
     steps:
       - name: Force Install GIT latest
         run: |