Bump webmock from 3.23.1 to 3.26.1 in /backend

Bumps [webmock](https://github.com/bblimke/webmock) from 3.23.1 to 3.26.1.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](bblimke/webmock@v3.23.1...v3.26.1)

---
updated-dependencies:
- dependency-name: webmock
  dependency-version: 3.26.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

backend/Gemfile.lock

@@ -78,8 +78,8 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     andand (1.3.3)
     annotate (3.2.0)
       activerecord (>= 3.2, < 8.0)
@@ -99,7 +99,7 @@ GEM
       erubi (~> 1.4)
       parser (>= 2.4)
       smart_properties
-    bigdecimal (3.1.7)
+    bigdecimal (3.3.1)
     brakeman (6.1.2)
       racc
     bson (4.15.0)
@@ -131,7 +131,7 @@ GEM
     countries (4.0.1)
       i18n_data (~> 0.13.0)
       sixarm_ruby_unaccent (~> 1.1)
-    crack (1.0.0)
+    crack (1.0.1)
       bigdecimal
       rexml
     crass (1.0.6)
@@ -215,7 +215,7 @@ GEM
       activemodel (>= 4.2, < 7.2)
       activerecord (>= 4.2, < 7.2)
       request_store (~> 1.0)
-    hashdiff (1.1.0)
+    hashdiff (1.2.1)
     hashie (3.5.7)
     httpclient (2.8.3)
     i18n (1.14.5)
@@ -322,7 +322,7 @@ GEM
       pry (>= 0.13.0)
     psych (5.1.2)
       stringio
-    public_suffix (5.0.4)
+    public_suffix (6.0.2)
     puma (5.6.8)
       nio4r (~> 2.0)
     pusher (2.0.3)
@@ -391,7 +391,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.6)
+    rexml (3.4.4)
     rouge (4.2.1)
     rspec-core (3.13.0)
       rspec-support (~> 3.13.0)
@@ -480,7 +480,7 @@ GEM
     vcr (6.2.0)
     warden (1.2.9)
       rack (>= 2.0.9)
-    webmock (3.23.1)
+    webmock (3.26.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)