CI: Install the same version of NodeJS that is specified in .tool-versions (#253)

* Create a `.tool-versions` file with an entry for NodeJS 20

* CI: Install the same version of NodeJS that is specified in `.tool-versions`

.github/workflows/checkin.yml

@@ -16,7 +16,7 @@ jobs:
 
     - uses: actions/setup-node@v4
       with:
-        node-version: 20
+        node-version-file: '.tool-versions'
 
     - name: "npm ci"
       run: npm ci

.github/workflows/example-builds-defaultarch.yml

@@ -28,7 +28,7 @@ jobs:
       - uses: actions/setup-node@v4
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
         with:
-          node-version: 16
+          node-version-file: '.tool-versions'
 
       - name: "Install dependencies"
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}

.github/workflows/example-builds-nightly-defaultarch.yml

@@ -34,7 +34,7 @@ jobs:
       - uses: actions/setup-node@v4
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
         with:
-          node-version: 16
+          node-version-file: '.tool-versions'
 
       - name: "Install dependencies"
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}

.github/workflows/example-builds-nightly.yml

@@ -34,7 +34,7 @@ jobs:
       - uses: actions/setup-node@v4
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
         with:
-          node-version: 16
+          node-version-file: '.tool-versions'
 
       - name: "Install dependencies"
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}

.github/workflows/example-builds.yml

@@ -33,7 +33,7 @@ jobs:
       - uses: actions/setup-node@v4
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
         with:
-          node-version: 16
+          node-version-file: '.tool-versions'
 
       - name: "Install dependencies"
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}

.tool-versions

@@ -0,0 +1 @@
+nodejs 20.11.1