Update publisher image to nodejs22.

Updates publisher image so we use nodejs22. The previous nodejs20 image we were using were too old, and rolldown (required for new package tooling tsdown) wasn't able to be installed.

Author: taeold

.github/workflows/test.yaml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 20.x
+          - 22.x
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          node-version: 22.x
           cache: npm
       - run: npm ci
       - run: npm run build

scripts/publish-container/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20
+FROM node:22
 
 # Install dependencies
 RUN apt-get update && \