Bump strscan from 3.1.0 to 3.1.1 in /steep

Bumps [strscan](https://github.com/ruby/strscan) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/ruby/strscan/releases)
- [Changelog](https://github.com/ruby/strscan/blob/master/NEWS.md)
- [Commits](ruby/strscan@v3.1.0...v3.1.1)

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

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

Author: dependabot[bot]

steep/Gemfile.lock

@@ -59,7 +59,7 @@ GEM
       securerandom (>= 0.1)
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 4)
-    strscan (3.1.0)
+    strscan (3.1.1)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     tzinfo (2.0.6)