Update steep

Gemfile

@@ -43,5 +43,5 @@ group :minitest do
 end
 
 group :typecheck_test do
-  gem "steep", "~> 1.7.1", require: false
+  gem "steep", "~> 1.8.0.pre", require: false
 end

Gemfile.lock

@@ -13,16 +13,17 @@ GEM
   remote: https://rubygems.org/
   specs:
     abbrev (0.1.2)
-    activesupport (7.1.4)
+    activesupport (7.2.1)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.2)
@@ -44,7 +45,7 @@ GEM
       psych (>= 3.1, < 5.0)
       rainbow (>= 3.0, < 4.0)
       strong_json (>= 1.1, < 2.2)
-    i18n (1.14.5)
+    i18n (1.14.6)
       concurrent-ruby (~> 1.0)
     json (2.7.2)
     json-schema (5.0.0)
@@ -119,7 +120,7 @@ GEM
     ruby-progressbar (1.13.0)
     securerandom (0.3.1)
     stackprof (0.2.26)
-    steep (1.7.1)
+    steep (1.8.0.pre.2)
       activesupport (>= 5.1)
       concurrent-ruby (>= 1.1.10)
       csv (>= 3.0.9)
@@ -130,7 +131,7 @@ GEM
       logger (>= 1.3.0)
       parser (>= 3.1)
       rainbow (>= 2.2.2, < 4.0)
-      rbs (>= 3.5.0.pre)
+      rbs (~> 3.6.0.pre)
       securerandom (>= 0.1)
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 4)
@@ -180,7 +181,7 @@ DEPENDENCIES
   rubocop-on-rbs
   rubocop-rubycw
   stackprof
-  steep (~> 1.7.1)
+  steep (~> 1.8.0.pre)
   tempfile
   test-unit