New manip set alert condition and alert signal activation state (#67)

// new manipulation SetAlertConditionAndAlertSignalActivationState

# Checklist

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* Changelog update (necessity checked and entry added or not added
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CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- manipulation SetAlertConditionAndAlertSignalActivationState for alert activation states
+
 ### Changed
 
 - gRPC version to 1.58.0

src/t2iapi/activation_state/activation_state_requests.proto

@@ -34,6 +34,19 @@ message SetAlertActivationRequest {
     AlertActivation activation = 2;  // value to set as the ActivationState value
 }
 
+/*
+Request to set the ActivationState for the given alert condition handle and alert signal handle to the
+given AlertActivation value.
+ */
+message SetAlertConditionAndAlertSignalActivationStateRequest {
+    string alert_condition_handle = 1;  // alert condition descriptor handle for which the
+                                        // ActivationState shall be set in the corresponding state element
+    string alert_signal_handle = 2;     // alert signal descriptor handle for which the
+                                        // ActivationState shall be set in the corresponding state element
+    AlertActivation alert_condition_activation = 3;  // ActivationState value to set for the alert condition
+    AlertActivation alert_signal_activation = 4;  // ActivationState value to set for the alert signal
+}
+
 /*
 Request for a transition of the value of the ActivationState of the DeviceComponent or Metric with the given handle
 from the starting ActivationState value, given as "start_activation", to the final ActivationState value,

src/t2iapi/activation_state/service.proto

@@ -46,6 +46,16 @@ service ActivationStateService {
   rpc ComponentActivationTransition (t2iapi.activation_state.ComponentActivationTransitionRequest)
       returns (BasicResponse);
 
+  /*
+  Set the ActivationStates for the given alert condition handle and alert signal handle to the given
+  AlertActivation values.
+  The manipulated state shall be persistent until a next manipulation call or an SDC operation invocation.
+  If the device is not able to maintain the static state, it shall return RESULT_NOT_SUPPORTED.
+   */
+  rpc SetAlertConditionAndAlertSignalActivationState (
+  t2iapi.activation_state.SetAlertConditionAndAlertSignalActivationStateRequest)
+      returns (BasicResponse);
+
   /*
   Set a SystemSignalActivation for a alert system with the given handle.
    */