Bump mocha from 3.0.2 to 3.1.0

Bumps [mocha](https://github.com/freerange/mocha) from 3.0.2 to 3.1.0.
- [Changelog](https://github.com/freerange/mocha/blob/main/RELEASE.md)
- [Commits](freerange/mocha@v3.0.2...v3.1.0)

---
updated-dependencies:
- dependency-name: mocha
  dependency-version: 3.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -279,7 +279,7 @@ GEM
       drb (~> 2.0)
       prism (~> 1.5)
     minitest-mock (5.27.0)
-    mocha (3.0.2)
+    mocha (3.1.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.8.0)
     multi_xml (0.8.1)
@@ -814,7 +814,7 @@ CHECKSUMS
   mini_mime (1.1.5) sha256=8681b7e2e4215f2a159f9400b5816d85e9d8c6c6b491e96a12797e798f8bccef
   minitest (6.0.2) sha256=db6e57956f6ecc6134683b4c87467d6dd792323c7f0eea7b93f66bd284adbc3d
   minitest-mock (5.27.0) sha256=7040ed7185417a966920987eaa6eaf1be4ea1fc5b25bb03ff4703f98564a55b0
-  mocha (3.0.2) sha256=3d8029531d8b71bff5ae07040758f77fdf578174189ffda1bef7749a59e92df8
+  mocha (3.1.0) sha256=75f42d69ebfb1f10b32489dff8f8431d37a418120ecdfc07afe3bc183d4e1d56
   msgpack (1.8.0) sha256=e64ce0212000d016809f5048b48eb3a65ffb169db22238fb4b72472fecb2d732
   multi_xml (0.8.1) sha256=addba0290bac34e9088bfe73dc4878530297a82a7bbd66cb44dcd0a4b86edf5a
   mustermann (3.0.4) sha256=85fadcb6b3c6493a8b511b42426f904b7f27b282835502233dd154daab13aa22