cannot use v15 of node in the action

Author: AleksandrRogov

.github/workflows/build-test-coverage.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [15.x, 16.x, 18.x, 20.x]
+        node-version: [16.x, 18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v3