Update rspec to version 3.13.0

Author: depfu[bot]

Gemfile.lock

@@ -17,7 +17,7 @@ GEM
     ast (2.4.3)
     backports (3.24.1)
     byebug (11.1.3)
-    diff-lcs (1.5.0)
+    diff-lcs (1.6.1)
     diffy (3.4.2)
     docile (1.4.1)
     json (2.10.2)
@@ -44,21 +44,21 @@ GEM
     rake (13.2.1)
     regexp_parser (2.10.0)
     rexml (3.4.1)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
     rspec-block_is_expected (1.0.6)
-    rspec-core (3.12.2)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.3)
+    rspec-core (3.13.3)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.6)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
+      rspec-support (~> 3.13.0)
     rspec-stubbed_env (1.0.1)
-    rspec-support (3.12.1)
+    rspec-support (3.13.2)
     rspec_junit_formatter (0.6.0)
       rspec-core (>= 2, < 4, != 2.12.0)
     rubocop (1.75.2)