Bump scrapy from 2.1.0 to 2.6.1 in /crawlerx_server

Bumps [scrapy](https://github.com/scrapy/scrapy) from 2.1.0 to 2.6.1.
- [Release notes](https://github.com/scrapy/scrapy/releases)
- [Changelog](https://github.com/scrapy/scrapy/blob/master/docs/news.rst)
- [Commits](scrapy/scrapy@2.1.0...2.6.1)

---
updated-dependencies:
- dependency-name: scrapy
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

crawlerx_server/requirements.txt

@@ -55,7 +55,7 @@ pytz==2020.1
 queuelib==1.5.0
 requests==2.23.0
 rsa==4.0
-Scrapy==2.1.0
+Scrapy==2.6.1
 scrapyd==1.2.1
 service-identity==18.1.0
 six==1.15.0