Bump psych from 5.2.6 to 5.3.1

Bumps [psych](https://github.com/ruby/psych) from 5.2.6 to 5.3.1.
- [Release notes](https://github.com/ruby/psych/releases)
- [Commits](ruby/psych@v5.2.6...v5.3.1)

---
updated-dependencies:
- dependency-name: psych
  dependency-version: 5.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -8,7 +8,7 @@ GEM
     builder (3.3.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.5)
-    date (3.5.0)
+    date (3.5.1)
     debug (1.11.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
@@ -93,7 +93,7 @@ GEM
       method_source (~> 1.0)
     pry-nav (1.0.0)
       pry (>= 0.9.10, < 0.15)
-    psych (5.2.6)
+    psych (5.3.1)
       date
       stringio
     racc (1.8.1)
@@ -133,7 +133,7 @@ GEM
     ruby-progressbar (1.13.0)
     rubyzip (3.2.2)
     semver2 (3.4.2)
-    stringio (3.1.7)
+    stringio (3.2.0)
     test-unit (3.7.1)
       power_assert
     thor (1.4.0)