Bump psych from 5.2.3 to 5.3.1

Bumps [psych](https://github.com/ruby/psych) from 5.2.3 to 5.3.1.
- [Release notes](https://github.com/ruby/psych/releases)
- [Commits](ruby/psych@v5.2.3...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] <support@github.com>

Author: dependabot[bot]

Gemfile

@@ -7,4 +7,4 @@ gem "sass-embedded", "1.78.0" # avoids deprecation errors
 gem "just-the-docs", "0.10.1" # pinned to the current release
 # gem "just-the-docs"        # always download the latest release
 
-gem "psych", "~> 5.2.0" # needed for retire.rb, as the default is too old
+gem "psych", "~> 5.3.1" # needed for retire.rb, as the default is too old

Gemfile.lock

@@ -8,7 +8,7 @@ GEM
     colorator (1.1.0)
     concurrent-ruby (1.3.5)
     csv (3.3.2)
-    date (3.4.1)
+    date (3.5.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -69,7 +69,7 @@ GEM
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    psych (5.2.3)
+    psych (5.3.1)
       date
       stringio
     public_suffix (7.0.5)
@@ -84,7 +84,7 @@ GEM
       google-protobuf (~> 4.27)
     sass-embedded (1.78.0-x86_64-linux-gnu)
       google-protobuf (~> 4.27)
-    stringio (3.1.7)
+    stringio (3.2.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.6.0)
@@ -97,7 +97,7 @@ PLATFORMS
 DEPENDENCIES
   jekyll (~> 4.4.1)
   just-the-docs (= 0.10.1)
-  psych (~> 5.2.0)
+  psych (~> 5.3.1)
   sass-embedded (= 1.78.0)
 
 BUNDLED WITH