Bump steep from 1.4.0 to 1.5.0 in /steep

Bumps [steep](https://github.com/soutaro/steep) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/soutaro/steep/releases)
- [Changelog](https://github.com/soutaro/steep/blob/master/CHANGELOG.md)
- [Commits](soutaro/steep@v1.4.0...v1.5.0)

---
updated-dependencies:
- dependency-name: steep
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

steep/Gemfile

@@ -1,4 +1,4 @@
 source "https://rubygems.org"
 
 gem "rbs", "~> 3.1.0"
-gem "steep", "~> 1.4.0"
+gem "steep", "~> 1.5.0"

steep/Gemfile.lock

@@ -1,36 +1,38 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.4.3)
+    activesupport (7.0.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
     ast (2.4.2)
     concurrent-ruby (1.2.2)
-    csv (3.2.6)
+    csv (3.2.7)
     ffi (1.15.5)
     fileutils (1.7.1)
-    i18n (1.12.0)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     json (2.6.3)
     language_server-protocol (3.17.0.3)
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.5.3)
-    minitest (5.18.0)
-    parser (3.2.2.1)
+    minitest (5.18.1)
+    parser (3.2.2.3)
       ast (~> 2.4.1)
+      racc
+    racc (1.7.1)
     rainbow (3.1.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rbs (3.1.0)
     securerandom (0.2.2)
-    steep (1.4.0)
+    steep (1.5.0)
       activesupport (>= 5.1)
-      concurrent-ruby (>= 1.2.2)
+      concurrent-ruby (>= 1.1.10)
       csv (>= 3.0.9)
       fileutils (>= 1.1.0)
       json (>= 2.1.0)
@@ -39,7 +41,7 @@ GEM
       logger (>= 1.3.0)
       parser (>= 3.1)
       rainbow (>= 2.2.2, < 4.0)
-      rbs (>= 2.8.0)
+      rbs (>= 3.1.0)
       securerandom (>= 0.1)
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 4)
@@ -55,7 +57,7 @@ PLATFORMS
 
 DEPENDENCIES
   rbs (~> 3.1.0)
-  steep (~> 1.4.0)
+  steep (~> 1.5.0)
 
 BUNDLED WITH
    2.3.14