Bump omniauth from 1.9.2 to 2.0.0

Bumps [omniauth](https://github.com/omniauth/omniauth) from 1.9.2 to 2.0.0.
- [Release notes](https://github.com/omniauth/omniauth/releases)
- [Commits](omniauth/omniauth@v1.9.2...v2.0.0)

---
updated-dependencies:
- dependency-name: omniauth
  dependency-type: direct:production
...

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

Gemfile.lock

@@ -289,16 +289,18 @@ GEM
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
     oj (3.10.6)
-    omniauth (1.9.2)
+    omniauth (2.0.0)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
-    omniauth-google-oauth2 (0.8.0)
+      rack-protection
+    omniauth-google-oauth2 (0.8.1)
       jwt (>= 2.0)
+      oauth2 (~> 1.1)
       omniauth (>= 1.1.1)
       omniauth-oauth2 (>= 1.6)
-    omniauth-oauth2 (1.6.0)
-      oauth2 (~> 1.1)
-      omniauth (~> 1.9)
+    omniauth-oauth2 (1.8.0)
+      oauth2 (>= 1.4, < 3)
+      omniauth (~> 2.0)
     order_as_specified (1.6)
       activerecord (>= 5.0.0)
     parallel (1.19.1)
@@ -322,11 +324,13 @@ GEM
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-mini-profiler (2.0.2)
       rack (>= 1.2.0)
+    rack-protection (3.0.5)
+      rack
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)