[Github Actions] Node versions upgraded.

Author: Gonzalo Diaz

.github/workflows/eslint-code-scanning.yml

@@ -37,11 +37,12 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: 24.x
+          node-version: 26.x
 
       - name: Install ESLint
         run: |
-          npm install
+          npm install --include=dev eslint@10.4.1
+          npm install --include=dev @microsoft/eslint-formatter-sarif@3.0.0
 
       - name: Test ESLint
         run: |

.github/workflows/eslint.yml

@@ -36,7 +36,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-24.04", "macos-14", "windows-2022"]
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [22.x, 24.x, 26.x]
         # See supported Node.js release schedule
         # at https://nodejs.org/en/about/releases/
     permissions:
@@ -52,11 +52,10 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: 24.x
-
+          node-version: ${{ matrix.node-version }}
       - name: Install ESLint
         run: |
-          npm install
+          npm install --include=dev eslint@10.4.1
 
       - name: Test ESLint
         run: |

.github/workflows/make-coverage-html.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: 24.x
+          node-version: 26.x
 
       - name: Tool test
         run: |

.github/workflows/markdown-lint.yml

@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.x]
+        node-version: [26.x]
         # See supported Node.js release schedule
         # at https://nodejs.org/en/about/releases/
 

.github/workflows/node-coverage.js.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: 24.x
+          node-version: 26.x
 
       - name: Tool test
         run: |