Add pkg-config steps to workflow

- Added pkg-config command to check ncurses existence.
- Added command to fetch ncurses libraries.

Ensuring that necessary dependencies like ncurses are present is crucial for
successful build and checks. These steps will automate this verification
process in our CI pipeline. 🎯

.github/workflows/test.yml

@@ -12,6 +12,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: pkg1
+        run: pkg-config --exists ncurses
+      - name: pkg2
+        run: pkg-config --libs ncurses
       - name: make
         run: make
       - name: make check