Bump actions/setup-node from 6 to 7 (#8514)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 6 to 7.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v6...v7)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -379,7 +379,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Use Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           cache: yarn
           node-version-file: .nvmrc
@@ -431,7 +431,7 @@ jobs:
 
       - name: Use Node.js
         if: steps.diffcheck.outputs.clean == 'false'
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           cache: yarn
           node-version-file: .node-version
@@ -471,7 +471,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Use Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           # Run integration tests with the oldest supported node version.
           node-version: 20
@@ -522,7 +522,7 @@ jobs:
           version: 10
 
       - name: Use Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           # Run integration tests with the oldest supported node version.
           node-version: 22
@@ -575,7 +575,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Use Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           # Run integration tests with the oldest supported node version.
           node-version: 20

.github/workflows/publish.yml

@@ -175,7 +175,7 @@ jobs:
 
       - name: Use Node.js for website
         if: steps.api-docs-diff.outputs.changed == 'true'
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           cache: yarn
           cache-dependency-path: rescript-lang.org/yarn.lock