Bump virtus from 1.0.2 to 2.0.0 in /src/supermarket

Bumps [virtus](https://github.com/solnic/virtus) from 1.0.2 to 2.0.0.
- [Release notes](https://github.com/solnic/virtus/releases)
- [Changelog](https://github.com/solnic/virtus/blob/master/Changelog.md)
- [Commits](solnic/virtus@v1.0.2...v2.0.0)

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

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

src/supermarket/Gemfile

@@ -50,7 +50,7 @@ gem "unicorn"
 gem "unicorn-rails"
 gem "utf8-cleaner"
 gem "validate_url"
-gem "virtus", "1.0.2", require: false # Pin to a version before the handling of nil in collection coercion was fixed.
+gem "virtus", "2.0.0", require: false # Pin to a version before the handling of nil in collection coercion was fixed.
 gem "yajl-ruby"
 
 gem "listen"

src/supermarket/Gemfile.lock

@@ -216,7 +216,6 @@ GEM
       dotenv (= 2.7.6)
       railties (>= 3.2)
     ed25519 (1.2.4)
-    equalizer (0.0.11)
     erubi (1.10.0)
     erubis (2.7.0)
     et-orbi (1.2.4)
@@ -737,11 +736,10 @@ GEM
       activemodel (>= 3.0.0)
       public_suffix
     vcr (6.0.0)
-    virtus (1.0.2)
+    virtus (2.0.0)
       axiom-types (~> 0.1)
       coercible (~> 1.0)
-      descendants_tracker (~> 0.0.3)
-      equalizer (~> 0.0.9)
+      descendants_tracker (~> 0.0, >= 0.0.3)
     webmock (3.14.0)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
@@ -857,7 +855,7 @@ DEPENDENCIES
   utf8-cleaner
   validate_url
   vcr
-  virtus (= 1.0.2)
+  virtus (= 2.0.0)
   webmock
   yajl-ruby
   yard