Merge pull request #20 from flathub/23.08-runtime

Update to use 23.08 runtime

Makefile

@@ -0,0 +1,10 @@
+# This is just a Makefile to simplify running some of the commands mentioned in the README.
+
+build:
+	flatpak-builder --user --force-clean build-dir io.github.jacalz.rymdport.yml
+
+install:
+	flatpak-builder --user --install --force-clean build-dir io.github.jacalz.rymdport.yml
+
+run:
+	flatpak run --user io.github.jacalz.rymdport

README.md

@@ -30,7 +30,7 @@ Building the package locally requires `flatpak-builder` to be installed. Install
 
 Assuming that flathub already is added as a remote, the required SDKs have to be downloaded:
 ```
-flatpak install flathub org.freedesktop.Platform//22.08 org.freedesktop.Sdk//22.08 org.freedesktop.Sdk.Extension.golang//22.08
+flatpak install flathub org.freedesktop.Platform//23.08 org.freedesktop.Sdk//23.08 org.freedesktop.Sdk.Extension.golang//23.08
 ```
 
 The next step is to build and install the package:

io.github.jacalz.rymdport.yml

@@ -1,6 +1,6 @@
 app-id: io.github.jacalz.rymdport
 runtime: org.freedesktop.Platform
-runtime-version: '22.08'
+runtime-version: '23.08'
 sdk: org.freedesktop.Sdk
 sdk-extensions:
     - org.freedesktop.Sdk.Extension.golang