Bump mixpanel-ruby from 3.0.0 to 3.1.0

Bumps [mixpanel-ruby](https://github.com/mixpanel/mixpanel-ruby) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/mixpanel/mixpanel-ruby/releases)
- [Commits](mixpanel/mixpanel-ruby@v3.0.0...v3.1.0)

---
updated-dependencies:
- dependency-name: mixpanel-ruby
  dependency-version: 3.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -267,7 +267,7 @@ GEM
     minitest (6.0.3)
       drb (~> 2.0)
       prism (~> 1.5)
-    mixpanel-ruby (3.0.0)
+    mixpanel-ruby (3.1.0)
       base64
       json-logic-rb (~> 0.1.5)
       mutex_m
@@ -886,7 +886,7 @@ CHECKSUMS
   method_source (1.1.0) sha256=181301c9c45b731b4769bc81e8860e72f9161ad7d66dd99103c9ab84f560f5c5
   mini_mime (1.1.5) sha256=8681b7e2e4215f2a159f9400b5816d85e9d8c6c6b491e96a12797e798f8bccef
   minitest (6.0.3) sha256=88ac8a1de36c00692420e7cb3cc11a0773bbcb126aee1c249f320160a7d11411
-  mixpanel-ruby (3.0.0) sha256=a636ab4bed9e13a7bc7551ae1bf7490569102534b64986a6faf15b8ed9ce4995
+  mixpanel-ruby (3.1.0) sha256=8e6b343efa1642b758911257eb607d7f159672ade26efa62fc1d7eceb77c4a44
   msgpack (1.8.0) sha256=e64ce0212000d016809f5048b48eb3a65ffb169db22238fb4b72472fecb2d732
   mutex_m (0.3.0) sha256=cfcb04ac16b69c4813777022fdceda24e9f798e48092a2b817eb4c0a782b0751
   net-imap (0.6.3) sha256=9bab75f876596d09ee7bf911a291da478e0cd6badc54dfb82874855ccc82f2ad