chore(action): remove 18 node

Author: neverovski

.github/workflows/ci.yml

@@ -52,7 +52,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18, 20]
+        node-version: [20]
 
     steps:
       - name: Checkout repository

.github/workflows/test-report.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18, 20]
+        node-version: [20]
 
     steps:
     - uses: dorny/test-reporter@v1