fix: update ubuntu runner version (#2266)

Author: Thoralf-M

.github/workflows/bindings-nodejs-publish.yml

@@ -61,7 +61,7 @@ jobs:
         # The GitHub hosted Windows 2022 image comes with Visual Studio 2022, but node-gyp
         # (which is used by neon-sys) sadly fails to recognize it. As a mitigation, we still run the
         # tests on Windows 2019, until we can figure out a way to fix the problem.
-        os: [ubuntu-20.04, macos-13, windows-2019]
+        os: [ubuntu-22.04, macos-13, windows-2019]
         node-version: ["18.x"]
 
     steps: