CCM-15256: Add InvalidAttachmentType to PrintAnalyser diagram

Author: tdroza-nhs

docs/collections/_diagrams/c4code-printer-analyser.md

@@ -11,12 +11,17 @@ architecture-beta
     service analyseLambda(logos:aws-lambda)[PrintAnalyser] in printAnalyser
     service safeBucket(logos:aws-s3)[SafeFiles] in printAnalyser
     service pdfAnalysed(aws:res-amazon-eventbridge-event)[PDFAnalysed Event]
+    service invalidAttachment(aws:res-amazon-eventbridge-event)[InvalidAttachmentType Event]
     group printAnalyser(cloud)[PrintAnalyser]
 
+    junction j1
+
     fileSafe:R --> L:analyseQueue
     analyseQueue:R --> L:analyseLambda
     safeBucket:B --> T:analyseLambda
-    analyseLambda:R --> L:pdfAnalysed
+    analyseLambda:R -- L:j1
+    j1:T --> B:pdfAnalysed
+    j1:B --> T:invalidAttachment
 
 
 ```