Bump omniauth from 1.9.2 to 2.1.1

Bumps [omniauth](https://github.com/omniauth/omniauth) from 1.9.2 to 2.1.1.
- [Release notes](https://github.com/omniauth/omniauth/releases)
- [Commits](omniauth/omniauth@v1.9.2...v2.1.1)

---
updated-dependencies:
- dependency-name: omniauth
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -179,20 +179,11 @@ GEM
     nokogiri (1.15.2)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    oauth2 (1.4.0)
-      faraday (>= 0.8, < 0.13)
-      jwt (~> 1.0)
-      multi_json (~> 1.3)
-      multi_xml (~> 0.5)
-      rack (>= 1.2, < 3)
-    omniauth (1.9.2)
+    omniauth (2.1.1)
       hashie (>= 3.4.6)
-      rack (>= 1.6.2, < 3)
-    omniauth-oauth2 (1.3.1)
-      oauth2 (~> 1.0)
-      omniauth (~> 1.2)
-    omniauth-zooniverse (0.0.4)
-      omniauth-oauth2 (= 1.3.1)
+      rack (>= 2.2.3)
+      rack-protection
+    omniauth-zooniverse (0.0.3)
     panoptes-client (1.1.1)
       deprecate
       faraday
@@ -216,7 +207,7 @@ GEM
     pundit (2.2.0)
       activesupport (>= 3.0.0)
     racc (1.6.2)
-    rack (2.2.6.4)
+    rack (2.2.7)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-protection (2.0.8.1)