fix setCACertBundle() signature

dieser Bug ist beim Firmwareupdate jedenfalls noch präsent, unklar ob das schon alles war:

Symptom:

E (640) esp-x509-crt-bundle: Invalid certificate bundle
...
[434608][E][ssl_client.cpp:213] start_ssl_client(): useRootCABundle is set, but attach_ssl_certificate_bundle(ssl, true); was not called!
[434620][V][ssl_client.cpp:288] start_ssl_client(): Setting hostname for TLS session...
[434628][V][ssl_client.cpp:309] ssl_starttls_handshake(): Performing the SSL/TLS handshake...
[434670][E][ssl_client.cpp:36] _handle_error(): [ssl_starttls_handshake():313]: (-30336) SSL - No CA Chain is set, but required to operate
[434683][E][NetworkClientSecure.cpp:159] connect(): start_ssl_client: connect failed: -30336
[434691][V][ssl_client.cpp:360] stop_ssl_socket(): Cleaning SSL connection.
[434699][D][HTTPClient.cpp:1105] connect(): failed connect to objects.githubusercontent.com:443

bug report espressif/arduino-esp32#10099

fix in Arduino master espressif/arduino-esp32@f350d16

mir ist leider unklar warum, der sollte in Arduino 3.0.4 fefixt sein :-/

src/PsychicMqttClient.cpp

@@ -65,11 +65,11 @@ PsychicMqttClient &PsychicMqttClient::setCACert(const char *rootCA, size_t rootC
   return *this;
 }
 
-PsychicMqttClient &PsychicMqttClient::setCACertBundle(const uint8_t *bundle)
+PsychicMqttClient &PsychicMqttClient::setCACertBundle(const uint8_t *bundle, size_t bundleLen)
 {
   if (bundle != nullptr)
   {
-    esp_crt_bundle_set(bundle, strlen((const char*)bundle));
+    esp_crt_bundle_set(bundle, bundleLen);
     _mqtt_cfg.broker.verification.crt_bundle_attach = esp_crt_bundle_attach;
   }
   else

src/PsychicMqttClient.h

@@ -147,7 +147,7 @@ class PsychicMqttClient
    * @param bundle The certificate bundle in PEM or DER format.
    * @return A reference to the PsychicMqttClient instance.
    */
-  PsychicMqttClient &setCACertBundle(const uint8_t *bundle);
+  PsychicMqttClient &setCACertBundle(const uint8_t *bundle, size_t bundleLen = 0);
 
   /**
    * @brief Attaches an existing CA root certificate bundle for the MQTT server. Like if you