allow FLAGSAPI- in branch names

Author: stuartmcneill1-nhs

.github/workflows/pr-lint.yaml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check ticket name conforms to requirements
-        run: echo ${{ github.event.pull_request.head.ref }} | grep -i -E -q "((apm|niad|amb)-[0-9]+)|(dependabot\/)"
+        run: echo ${{ github.event.pull_request.head.ref }} | grep -i -E -q "((apm|niad|amb|flagsapi)-[0-9]+)|(dependabot\/)"
 
       - name: Grab ticket name
         if: contains(github.event.pull_request.head.ref, 'apm-') || contains(github.event.pull_request.head.ref, 'APM-') || contains(github.event.pull_request.head.ref, 'niad-') || contains(github.event.pull_request.head.ref, 'NIAD-') || contains(github.event.pull_request.head.ref, 'amb-') || contains(github.event.pull_request.head.ref, 'AMB-')