Bump securerandom from 0.3.2 to 0.4.1 in /src

Bumps [securerandom](https://github.com/ruby/securerandom) from 0.3.2 to 0.4.1.
- [Release notes](https://github.com/ruby/securerandom/releases)
- [Commits](ruby/securerandom@v0.3.2...v0.4.1)

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

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

src/Gemfile.lock

@@ -200,7 +200,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    securerandom (0.3.2)
+    securerandom (0.4.1)
     sqlite3 (2.3.1-aarch64-linux-gnu)
     sqlite3 (2.3.1-arm64-darwin)
     sqlite3 (2.3.1-x86_64-linux-gnu)