Update static-analysis.yml

Updated to only 18

Author: chris-bateman

.github/workflows/static-analysis.yml

@@ -11,14 +11,12 @@ jobs:
   static-analysis:
     name: 'Lint and Type-check'
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18, 20]
+
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 18
 
       - uses: pnpm/action-setup@v3
         with: