[main] (deps): Bump actions/setup-node from 5.0.0 to 6.0.0 (dotnet#64085)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@a0853c2...2028fbc)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/markdownlint.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
     - uses: actions/checkout@ff7abcd0c3c05ccf6adc123a8cd1fd4fb30fb493 # v4.2.2
     - name: Use Node.js
-      uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+      uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
       with:
         node-version: 16.x
     - name: Run Markdownlint

.github/workflows/update-jquery-validate.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@ff7abcd0c3c05ccf6adc123a8cd1fd4fb30fb493 # v4.2.2
 
       - name: Setup Node.js
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: '20.x'
 

.github/workflows/validate-npm-package-lock-json.yml

@@ -20,7 +20,7 @@ jobs:
           submodules: false
 
       - name: Set up Node.js
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 20.x