New major version featuring z88dk v2.4

.devcontainer/Dockerfile

@@ -62,7 +62,7 @@ RUN apt-get update \
 	&& rm -rf /var/lib/apt/lists/*
 ENV Z88DK_PATH="/opt/z88dk"
 RUN cpanm -l $HOME/perl5 --no-wget local::lib Template::Plugin::YAML \
-	&& git clone --depth 1 --branch v2.3 --recursive https://github.com/z88dk/z88dk.git ${Z88DK_PATH} \
+	&& git clone --depth 1 --branch v2.4 --recursive https://github.com/z88dk/z88dk.git ${Z88DK_PATH} \
 	&& cd ${Z88DK_PATH} \ 
 	&& eval "$(perl -I$HOME/perl5/lib/perl5 -Mlocal::lib)" \
 	&& chmod 777 build.sh \

.devcontainer/devcontainer.json

@@ -2,7 +2,7 @@
 	"name": "ZX Spectrum dev tools",
 	//"build": { "dockerfile": "Dockerfile" },
 	// The Dockerfile takes an age to build due to z88dk, so pull from prebuilt:
-	"image": "boarstone.mcphail.uk/mcphail/speccydev:v1.2",
+	"image": "boarstone.mcphail.uk/mcphail/speccydev:v2.0",
 	"remoteUser": "ubuntu",
 	"runArgs": [
 		"--network=host"