chore: prepare for 2.3.1 (CLIUtils#797)

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

.appveyor.yml

@@ -1,4 +1,4 @@
-version: 2.3.0.{build}
+version: 2.3.1.{build}
 
 branches:
  only:

.pre-commit-config.yaml

@@ -44,6 +44,8 @@ repos:
  hooks:
  - id: markdownlint
  args: ["--style=scripts/mdlint_style.rb"]
+ # Uncomment on macOS - Apple has deprecated Ruby, so macOS is stuck on 2.6
+ # language_version: 3.1.2
 
  # - repo: local
  # hooks:

CHANGELOG.md

@@ -31,6 +31,20 @@ still default, and is not yet distributed via binaries.
 [#775]: https://github.com/CLIUtils/CLI11/pull/775
 [#781]: https://github.com/CLIUtils/CLI11/pull/781
 
+### Version 2.3.1: Missing implementation
+
+A function implementation was missing after the pre-compile move, missed due to
+the fact we lost 100% after losing coverage checking. We are working on filling
+out 100% coverage again to ensure this doesn't happen again!
+
+- Bugfix: `App::get_option_group` implementation missing [#793][]
+- Bugfix: Fix spacing when setting an empty footer [#796][]
+- Bugfix: Address Klocwork static analysis checking issues [#785][]
+
+[#785]: https://github.com/CLIUtils/CLI11/pull/785
+[#793]: https://github.com/CLIUtils/CLI11/pull/793
+[#796]: https://github.com/CLIUtils/CLI11/pull/796
+
 ## Version 2.2: Option and Configuration Flexibility
 
 New features include support for output of an empty vector, a summing option

include/CLI/Version.hpp

@@ -10,7 +10,7 @@
 
 #define CLI11_VERSION_MAJOR 2
 #define CLI11_VERSION_MINOR 3
-#define CLI11_VERSION_PATCH 0
-#define CLI11_VERSION "2.3.0"
+#define CLI11_VERSION_PATCH 1
+#define CLI11_VERSION "2.3.1"
 
 // [CLI11:version_hpp:end]