Bump io.projectreactor:reactor-bom from 2020.0.44 to 2020.0.45 (#5245)

Bumps [io.projectreactor:reactor-bom](https://github.com/reactor/reactor) from 2020.0.44 to 2020.0.45.
- [Release notes](https://github.com/reactor/reactor/releases)
- [Commits](reactor/reactor@2020.0.44...2020.0.45)

---
updated-dependencies:
- dependency-name: io.projectreactor:reactor-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -61,7 +61,7 @@ newrelic-api = "5.14.0"
 okhttp = "4.11.0"
 postgre = "42.3.10"
 prometheus = "0.15.0"
-reactor = "2020.0.44"
+reactor = "2020.0.45"
 rest-assured = "5.3.2"
 signalfx = "1.0.43"
 slf4j = "1.7.36"