Use `.node-version` file in workflows

Co-authored-by: Alois Klink <alois@aloisklink.com>

.github/workflows/build-docs.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 18
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: pnpm install --frozen-lockfile

.github/workflows/build.yml

@@ -12,9 +12,6 @@ on:
 permissions:
   contents: read
 
-env:
-  node-version: 20.x
-
 jobs:
   build-mermaid:
     runs-on: ubuntu-latest
@@ -24,11 +21,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ env.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: ${{ env.node-version }}
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/e2e-applitools.yml

@@ -21,9 +21,6 @@ env:
 jobs:
   e2e-applitools:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [20.x]
     steps:
       - if: ${{ ! env.USE_APPLI }}
         name: Warn if not using Applitools
@@ -35,10 +32,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ matrix.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          cache: pnpm
+          node-version-file: '.node-version'
 
       - if: ${{ env.USE_APPLI }}
         name: Notify applitools of new batch

.github/workflows/e2e.yml

@@ -17,7 +17,6 @@ permissions:
   contents: read
 
 env:
-  node-version: 20.x
   # For PRs and MergeQueues, the target commit is used, and for push events, github.event.previous is used.
   targetHash: ${{ github.event.pull_request.base.sha || github.event.merge_group.base_sha || (github.event.before == '0000000000000000000000000000000000000000' && 'develop' || github.event.before)  }}
 
@@ -30,7 +29,8 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          cache: pnpm
+          node-version-file: '.node-version'
       - name: Cache snapshots
         id: cache-snapshot
         uses: actions/cache@v4
@@ -68,10 +68,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ env.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.node-version }}
+          cache: pnpm
+          node-version-file: '.node-version'
 
       # These cached snapshots are downloaded, providing the reference snapshots.
       - name: Cache snapshots

.github/workflows/lint.yml

@@ -13,9 +13,6 @@ on:
 permissions:
   contents: write
 
-env:
-  node-version: 20.x
-
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -25,11 +22,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ env.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: ${{ env.node-version }}
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/publish-docs.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 18
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: pnpm install --frozen-lockfile

.github/workflows/release-preview-publish.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 20.x
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/release-publish.yml

@@ -14,11 +14,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js v18
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 20.x
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/test.yml

@@ -5,9 +5,6 @@ on: [push, pull_request, merge_group]
 permissions:
   contents: read
 
-env:
-  node-version: 20.x
-
 jobs:
   unit-test:
     runs-on: ubuntu-latest
@@ -17,11 +14,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ env.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: ${{ env.node-version }}
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |