Bump gem version.

Author: redcode

CITATION.cff

@@ -6,7 +6,7 @@ authors:
     email: [email protected]
     website: https://zxe.io
 cff-version: 1.2.0
-date-released: 2024-01-03
+date-released: 2024-01-05
 keywords:
   - binding
   - CPU
@@ -20,5 +20,5 @@ message: If you use this software, please cite it using these metadata.
 repository-code: https://github.com/redcode/Z80-Ruby
 title: Z80-Ruby
 type: software
-version: 0.3.0
+version: 0.3.1
 url: https://zxe.io/software/Z80-Ruby

lib/z80/version.rb

@@ -1,3 +1,3 @@
 class Z80
-	VERSION = '0.3.0'
+	VERSION = '0.3.1'
 end