Update dependency minitest-rails to v8

Author: renovate[bot]

Gemfile.lock

@@ -99,12 +99,12 @@ GEM
       multi_json (~> 1)
       statsd-ruby (~> 1.1)
     base64 (0.3.0)
-    benchmark (0.4.1)
+    benchmark (0.5.0)
     better_errors (2.10.1)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
       rouge (>= 1.0.0)
-    bigdecimal (3.3.0)
+    bigdecimal (3.3.1)
     bindex (0.8.1)
     binding_of_caller (1.0.1)
       debug_inspector (>= 1.2.0)
@@ -132,7 +132,7 @@ GEM
       dotenv (= 3.1.8)
       railties (>= 6.1)
     drb (2.2.3)
-    erb (5.0.3)
+    erb (5.1.3)
     erubi (1.13.1)
     execjs (2.10.0)
     faraday (2.12.2)
@@ -231,7 +231,7 @@ GEM
     marcel (1.1.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.9)
-    minitest (5.25.5)
+    minitest (5.26.0)
     minitest-rails (7.2.0)
       minitest (~> 5.20)
       railties (>= 7.2.0, < 8.0.0)
@@ -272,7 +272,7 @@ GEM
     puma (7.0.4)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.17)
+    rack (3.1.18)
     rack-attack (6.7.0)
       rack (>= 1.0, < 4)
     rack-session (2.1.1)