[Stack 9.5.0-SNAPSHOT] [forcepoint_web] Failing test daily: system test: logfile in forcepoint_web.logs

- Stack version: 9.5.0-SNAPSHOT
- Package: forcepoint_web
- Failing test: system test: logfile
- DataStream: logs
- Owners:
- @elastic/integration-experience

Error:
```
could not add data stream config to policy: could not create package policy (req {"name":"forcepoint_web-logs-95787","description":"","namespace":"95787","policy_id":"62aad2ee-a835-4a9c-9c42-e7f94dbf90f9","package":{"name":"forcepoint_web","version":"1.13.0"},"inputs":{"logs-logfile":{"enabled":true,"streams":{"forcepoint_web.logs":{"enabled":true,"vars":{"paths":["/tmp/service_logs/forcepoint-web-*.log"]}}}}},"force":false}); API status code = 400; response body = {"statusCode":400,"error":"Bad Request","message":"Unexpected scalar at node end at line 3, column 26:\n\nexclude_lines: ['^\"Date']exclude_files: ['\\.gz$']tags: - forwardedpublisher_pi…\n ^^^^^^^^^^^^^\n"}
```

First build failed: https://buildkite.com/elastic/integrations/builds/42098

Latest 5 failed builds:
- https://buildkite.com/elastic/integrations/builds/42199
- https://buildkite.com/elastic/integrations/builds/42210
- https://buildkite.com/elastic/integrations/builds/42231
- https://buildkite.com/elastic/integrations/builds/42379
- https://buildkite.com/elastic/integrations/builds/42450