pin node version for publish

Author: phryneas

.github/workflows/publish.yml

@@ -39,7 +39,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "20.11.0"
           registry-url: "https://registry.npmjs.org"
           cache: "yarn"
       - run: yarn install --immutable --mode=skip-build

.github/workflows/snapshot-release.yml

@@ -49,7 +49,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "20.11.0"
           registry-url: "https://registry.npmjs.org"
           cache: "yarn"
       - run: yarn install --immutable