Update CI to Node 26

Author: rubensworks

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
           key: ${{ runner.os }}-node-modules-${{ hashFiles('**/yarn.lock') }}
       - uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          node-version: 26.x
       - run: corepack enable
       - run: yarn install --frozen-lockfile --ignore-scripts
       - run: yarn run lint
@@ -29,9 +29,9 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 20.x
           - 22.x
           - 24.x
+          - 26.x
     steps:
       - uses: actions/setup-node@v4
         with: