build(deps-dev): bump securerandom from 0.3.1 to 0.3.2

Bumps [securerandom](https://github.com/ruby/securerandom) from 0.3.1 to 0.3.2.
- [Release notes](https://github.com/ruby/securerandom/releases)
- [Commits](ruby/securerandom@v0.3.1...v0.3.2)

---
updated-dependencies:
- dependency-name: securerandom
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -40,7 +40,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    securerandom (0.3.1)
+    securerandom (0.3.2)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)