ci: add action for uploading component to registry

this commit also modifies the path and version of dependencies in the examples

.github/workflows/component_registry.yml

@@ -0,0 +1,21 @@
+name: Push component to https://components.espressif.com
+# on: [push, pull_request]
+on:
+  push:
+    tags:
+      - v*
+jobs:
+  upload_components:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: "recursive"
+
+      - name: Upload component to the component registry
+        uses: espressif/upload-components-ci-action@v1
+        with:
+          name: "esp-idf-cxx"
+          version: ${{ github.ref_name }}
+          namespace: "espressif"
+          api_token: ${{ secrets.IDF_COMPONENT_API_TOKEN }}

examples/blink_cxx/main/idf_component.yml

@@ -1,6 +1,6 @@
 dependencies:
   idf:
     version: ">=5.0"
-  esp-idf-cxx:
-    path: ../../../
-    version: ">=0.1"
+  espressif/esp-idf-cxx:
+    override_path: ../../../
+    version: "^1.0.0"

examples/esp_event_async_cxx/main/idf_component.yml

@@ -1,6 +1,6 @@
 dependencies:
   idf:
     version: ">=5.0"
-  esp-idf-cxx:
-    path: ../../../
-    version: ">=0.1"
+  espressif/esp-idf-cxx:
+    override_path: ../../../
+    version: "^1.0.0"

examples/esp_timer_cxx/main/idf_component.yml

@@ -1,6 +1,6 @@
 dependencies:
   idf:
     version: ">=5.0"
-  esp-idf-cxx:
-    path: ../../../
-    version: ">=0.1"
+  espressif/esp-idf-cxx:
+    override_path: ../../../
+    version: "^1.0.0"

examples/simple_i2c_rw_example/main/idf_component.yml

@@ -1,6 +1,6 @@
 dependencies:
   idf:
     version: ">=5.0"
-  esp-idf-cxx:
-    path: ../../../
-    version: ">=0.1"
+  espressif/esp-idf-cxx:
+    override_path: ../../../
+    version: "^1.0.0"

examples/simple_spi_rw_example/main/idf_component.yml

@@ -1,6 +1,6 @@
 dependencies:
   idf:
     version: ">=5.0"
-  esp-idf-cxx:
-    path: ../../../
-    version: ">=0.1"
+  espressif/esp-idf-cxx:
+    override_path: ../../../
+    version: "^1.0.0"