ci: enable esp32s3 example build

.gitlab/ci/build.yml

@@ -221,6 +221,14 @@ build_examples_cmake_esp32s2:
   variables:
     IDF_TARGET: esp32s2
 
+build_examples_cmake_esp32s3:
+  extends:
+    - .build_examples_cmake_template
+    - .rules:build:example_test-esp32s3
+  parallel: 8
+  variables:
+    IDF_TARGET: esp32s3
+
 build_examples_cmake_esp32c3:
   extends:
     - .build_examples_cmake_template

.gitlab/ci/target-test.yml

@@ -46,7 +46,7 @@
   extends:
     - .example_test_template
     - .rules:test:example_test-esp32
-variables:
+  variables:
     SUBMODULES_TO_FETCH: "all"
 
 test_weekend_mqtt: