[agrifood] ignore swagger readme (#18714)

Author: iscai-msft

eng/.docsettings.yml

@@ -86,6 +86,7 @@ known_content_issues:
   - ['sdk/textanalytics/azure-ai-textanalytics/swagger/README.md', '#4554']
   - ['sdk/purview/azure-purview-catalog/swagger/README.md',  '#4554']
   - ['sdk/purview/azure-purview-scanning/swagger/README.md',  '#4554']
+  - ['sdk/agrifood/azure-agrifood-farming/swagger/README.md',  '#4554']
   - ['sdk/containerregistry/azure-containerregistry/swagger/README.md', '#4554']
   - ['sdk/appconfiguration/azure-appconfiguration/swagger/README.md', '#4554']
   - ['sdk/attestation/azure-security-attestation/swagger/README.md', '#4554']

eng/tox/allowed_pylint_failures.py

@@ -54,5 +54,6 @@
     "azure-purview-nspkg",
     "azure-purview-scanning",
     "azure-purview-catalog",
-    "azure-messaging-nspkg"
+    "azure-messaging-nspkg",
+    "azure-agrifood-farming",
 ]