chore: fix workflow

Author: SMAKSS

.github/workflows/npm-publish.yml

@@ -5,29 +5,22 @@ on:
     types: [created]
 
 jobs:
-  example_matrix:
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        version: [16]
-    runs-on: ${{ matrix.os }}
-
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.version }}
+          node-version: 16
 
   publish-npm:
     needs: build
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.version }}
+          node-version: 16
           registry-url: https://registry.npmjs.org/
           scope: "@smakss"
       - run: npm publish
@@ -36,12 +29,12 @@ jobs:
 
   publish-gpr:
     needs: build
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.version }}
+          node-version: 16
           registry-url: https://npm.pkg.github.com/
           scope: "@smakss"
       - run: npm publish