Bump octokit from 4.22.0 to 4.23.0 in /railseventstore.org

Bumps [octokit](https://github.com/octokit/octokit.rb) from 4.22.0 to 4.23.0.
- [Release notes](https://github.com/octokit/octokit.rb/releases)
- [Changelog](https://github.com/octokit/octokit.rb/blob/4-stable/RELEASE.md)
- [Commits](octokit/octokit.rb@v4.22.0...v4.23.0)

---
updated-dependencies:
- dependency-name: octokit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

railseventstore.org/Gemfile.lock

@@ -99,17 +99,17 @@ GEM
       rouge (~> 3.2)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    octokit (4.22.0)
-      faraday (>= 0.9)
-      sawyer (~> 0.8.0, >= 0.5.3)
+    octokit (4.23.0)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     padrino-helpers (0.15.1)
       i18n (>= 0.6.7, < 2)
       padrino-support (= 0.15.1)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.15.1)
     parallel (1.21.0)
     parslet (2.0.0)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     rack (2.2.3)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
@@ -120,9 +120,9 @@ GEM
     ruby2_keywords (0.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sawyer (0.8.2)
+    sawyer (0.9.1)
       addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
+      faraday (>= 0.17.3, < 3)
     servolux (0.13.0)
     temple (0.8.2)
     thor (1.1.0)