Bump webmock from 3.3.0 to 3.12.1

Bumps [webmock](https://github.com/bblimke/webmock) from 3.3.0 to 3.12.1.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](bblimke/webmock@v3.3.0...v3.12.1)

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

Gemfile.lock

@@ -8,16 +8,16 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.2)
     coderay (1.1.3)
-    crack (0.4.3)
-      safe_yaml (~> 1.0.0)
+    crack (0.4.5)
+      rexml
     diff-lcs (1.3)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    hashdiff (0.3.7)
+    hashdiff (1.0.1)
     http-accept (1.7.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
@@ -33,7 +33,7 @@ GEM
     pry (0.14.0)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (3.0.2)
+    public_suffix (4.0.6)
     rainbow (3.0.0)
     rake (13.0.1)
     regexp_parser (2.1.1)
@@ -74,15 +74,14 @@ GEM
       rubocop (~> 1.0)
       rubocop-ast (>= 1.1.0)
     ruby-progressbar (1.11.0)
-    safe_yaml (1.0.4)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.7)
     unicode-display_width (2.0.0)
-    webmock (3.3.0)
+    webmock (3.12.1)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
-      hashdiff
+      hashdiff (>= 0.4.0, < 2.0.0)
 
 PLATFORMS
   ruby