Fix markdown generation

Author: anakinj

.github/workflows/deploy_docs.yml

@@ -20,6 +20,8 @@ jobs:
           bundler-cache: true
       - name: Install yard
         run: gem install yard
+      - name: Install redcarpet
+        run: gem install redcarpet
       - name: Build docs
         run: yard
       - name: Deploy

lib/jwt/encoded_token.rb

@@ -63,7 +63,6 @@ def payload
     # Sets or returns the encoded payload of the JWT token.
     #
     # @return [String] the encoded payload.
-    # @param value [String] the encoded payload to set.
     attr_accessor :encoded_payload
 
     # Returns the signing input of the JWT token.