fix: pin gosec to v2.24.0 for Go 1.24 compatibility

gosec v2.25.0 requires Go 1.25+, which breaks the Security Checks
workflow running Go 1.24. Pin to v2.24.0, the last version supporting
Go 1.24.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: haasonsaas

.github/workflows/security.yml

@@ -18,7 +18,7 @@ jobs:
           go-version: '1.24'
 
       - name: Install gosec
-        run: go install github.com/securego/gosec/v2/cmd/gosec@latest
+        run: go install github.com/securego/gosec/v2/cmd/gosec@v2.24.0
 
       - name: Install govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest