chore: Add CodeQL analysis

Author: backjo

.github/workflows/unit-test.yml

@@ -16,13 +16,20 @@ jobs:
       uses: actions/setup-go@v2
       with:
         go-version: 1.17
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: go
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
 
     - name: Build
       run: |
         make manager
+        
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2
 
     - name: Test
       run: |