refactor: remove sarif dependency and simplify version

Author: Patel230

.github/workflows/ci.yml

@@ -34,8 +34,6 @@ concurrency:
 env:
   GO_VERSION: "1.26.3"
   GOPROXY: "https://proxy.golang.org,direct"
-  GONOSUMCHECK: "github.com/GrayCodeAI/hawk/sarif"
-  GONOSUMDB: "github.com/GrayCodeAI/hawk/sarif"
 
 jobs:
   # -------------------------------------------------------------------------

README.md

@@ -69,7 +69,6 @@ Each finding includes:
 ## Output Formats
 
 - Inline comments (GitHub/GitLab PR comments)
-- SARIF (static analysis interchange)
 - Human-readable terminal output
 
 ## Configuration