The stack name needs to be limited at 34

prefix is 20 chars, max Lambda function name length is 64 and the template appends the prefix, some of the branch name and the resource name to make the lambda function name, gives a max 30 chars function name

.github/workflows/deploy-branch.yml

@@ -62,7 +62,7 @@ jobs:
           sam-deployment-bucket: ${{ vars.DEPLOYMENT_ARTIFACTS_BUCKET }}
           aws-role-arn: ${{ vars.DEPLOYMENT_ROLE_ARN }}
           stack-name-prefix: preview-kbv-hmrc-api
-          stack-name-length-limit: 24
+          stack-name-length-limit: 34
           cache-name: ipv-cri-hmrc-kbv-api-${{ needs.build.outputs.sha_short}}
           s3-prefix: preview
           pull-repository: true