Update sentry-sdk requirement from ~=0.17.2 to ~=0.18.0 (#635)

Updates the requirements on [sentry-sdk](https://github.com/getsentry/sentry-python) to permit the latest version.
- [Release notes](https://github.com/getsentry/sentry-python/releases)
- [Changelog](https://github.com/getsentry/sentry-python/blob/master/CHANGES.md)
- [Commits](getsentry/sentry-python@0.17.2...0.18.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -9,7 +9,7 @@ html5-parser ~=0.4.9 --no-binary lxml
 lxml ~=4.5.2
 pycurl ~=7.43
 PyPDF2 ~=1.26.0
-sentry-sdk ~=0.17.2
+sentry-sdk ~=0.18.0
 requests ~=2.24.0
 toolz ~=0.11.1
 tornado ~=6.0.4