Bump sexp_processor from 4.17.2 to 4.17.3

Bumps [sexp_processor](https://github.com/seattlerb/sexp_processor) from 4.17.2 to 4.17.3.
- [Changelog](https://github.com/seattlerb/sexp_processor/blob/master/History.rdoc)
- [Commits](seattlerb/sexp_processor@v4.17.2...v4.17.3)

---
updated-dependencies:
- dependency-name: sexp_processor
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -458,7 +458,7 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    sexp_processor (4.17.2)
+    sexp_processor (4.17.3)
     shellany (0.0.1)
     sidekiq (7.3.5)
       connection_pool (>= 2.3.0)