Update from...

Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/d33171a700d0b98f5ec79f0bd11b8bb3786c1e26 (#3217)

Server-Protocol-Buffer/src/main/proto/internal/ppdd/ppa_data.proto

@@ -2,6 +2,7 @@
 syntax = "proto3";
 package de.rki.coronawarnapp.server.protocols.internal.ppdd;
 
+import "internal/ppdd/tri_state_boolean.proto";
 
 message PPADataIOS {
 
@@ -92,7 +93,7 @@ message PPAKeySubmissionMetadata {
   int32 ptDaysSinceMostRecentDateAtRiskLevelAtTestRegistration = 13;
   int32 ptHoursSinceHighRiskWarningAtTestRegistration = 14;
 
-  bool submittedWithCheckIns = 15;
+  TriStateBoolean submittedWithCheckIns = 15;
 }
 
 enum PPARiskLevel {

Server-Protocol-Buffer/src/main/proto/internal/ppdd/tri_state_boolean.proto

+// This file is auto-generated, DO NOT make any changes here
+syntax = "proto3";
+package de.rki.coronawarnapp.server.protocols.internal.ppdd;
+
+
+enum TriStateBoolean {
+  TSB_UNSPECIFIED = 0;
+  TSB_TRUE = 1;
+  TSB_FALSE = 2;
+}
\ No newline at end of file