Add abseil dependency to GitHub Actions workflow

Install abseil package during CI build setup to support project dependencies

.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
+          sudo apt-get install -y build-essential cmake abseil
 
       - name: Create build directory
         run: mkdir build