Add Debian package creation to GitHub Actions workflow

Update build workflow to generate a Debian package using checkinstall, including package metadata and artifact upload

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Install Dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y build-essential cmake libabsl-dev clang
+          sudo apt-get install -y build-essential cmake libabsl-dev clang checkinstall
 
       - name: Create build directory
         run: mkdir build
@@ -34,8 +34,24 @@ jobs:
           cd build
           make
 
-      - name: Upload Binary
+      - name: Create Debian Package
+        run: |
+          cd build
+          sudo checkinstall --pkgname=cpu-check \
+                           --pkgversion=1.0.0 \
+                           --pkgrelease=1 \
+                           --maintainer="maintainer@example.com" \
+                           --requires="libabsl-dev" \
+                           --default \
+                           --pakdir=. \
+                           --backup=no \
+                           --deldoc=yes \
+                           --deldesc=yes \
+                           --delspec=yes \
+                           make install
+
+      - name: Upload Debian Package
         uses: actions/upload-artifact@v3
         with:
-          name: cpu-check-binary
+          name: cpu-check-deb
-          path: build/cpu-check 
+          path: build/*.deb