Merge branch 'bugfix/esp_modem_cxx-version-ref' into 'master'

examples: fix esp_modem_cxx component version number reference

See merge request espressif/esp-idf!17437

examples/cxx/experimental/esp_modem_cxx/main/idf_component.yml

@@ -3,5 +3,4 @@ targets:
   - esp32s2
 description: cmux example of esp_modem
 dependencies:
-  espressif/esp_modem:
-    version: "0.1.12"
+  espressif/esp_modem: "~0.1.12"