fix: resolve simple-vulnerability-scanner goconst failures

Migrate .golangci.yml from v1 issues.exclude-rules to v2
linters.exclusions.rules — the v1 key was silently ignored by golangci-lint
v2, so test-file goconst exclusions weren't applied. With the config fixed,
all test-file violations disappear. Extract severity constants in output.go
to fix the 4 remaining non-test goconst violations (CRITICAL/HIGH/MODERATE/
LOW each appear 3x in severityRank, severityBreakdown, and severityColorFn).

PROJECTS/beginner/simple-vulnerability-scanner/.golangci.yml

@@ -25,6 +25,19 @@ linters:
     - testifylint
     - fatcontext
 
+  exclusions:
+    rules:
+      - path: _test\.go
+        linters:
+          - funlen
+          - dupl
+          - goconst
+          - gosec
+    paths:
+      - vendor
+      - testdata
+    max-same-issues: 50
+
   settings:
     errcheck:
       check-type-assertions: true
@@ -78,24 +91,11 @@ linters:
       kv-only: true
       context: all
 
-issues:
-  max-same-issues: 50
-  exclude-dirs:
-    - vendor
-    - testdata
-  exclude-rules:
-    - path: _test\.go
-      linters:
-        - funlen
-        - dupl
-        - goconst
-
-
 formatters:
   enable:
-    - gci        # Groups imports
-    - gofumpt    # Whitespace
-    - golines    # Vertical wrap
+    - gci
+    - gofumpt
+    - golines
   settings:
     golines:
       max-len: 80

PROJECTS/beginner/simple-vulnerability-scanner/internal/cli/output.go

@@ -35,6 +35,13 @@ import (
 	"github.com/CarterPerez-dev/angela/pkg/types"
 )
 
+const (
+	severityCritical = "CRITICAL"
+	severityHigh     = "HIGH"
+	severityModerate = "MODERATE"
+	severityLow      = "LOW"
+)
+
 func printDivider() {
 	fmt.Printf("\n  %s\n", ui.HiBlack(ui.HRule(44)))
 }
@@ -314,13 +321,13 @@ func sortVulnsBySeverity(
 
 func severityRank(sev string) int {
 	switch strings.ToUpper(sev) {
-	case "CRITICAL":
+	case severityCritical:
 		return 0
-	case "HIGH":
+	case severityHigh:
 		return 1
-	case "MODERATE":
+	case severityModerate:
 		return 2
-	case "LOW":
+	case severityLow:
 		return 3
 	default:
 		return 4
@@ -336,7 +343,11 @@ func severityBreakdown(
 	}
 
 	order := []string{
-		"CRITICAL", "HIGH", "MODERATE", "LOW", "UNKNOWN",
+		severityCritical,
+		severityHigh,
+		severityModerate,
+		severityLow,
+		"UNKNOWN",
 	}
 
 	var parts []string
@@ -520,13 +531,13 @@ func severityColorFn(
 	sev string,
 ) func(a ...any) string {
 	switch strings.ToUpper(sev) {
-	case "CRITICAL":
+	case severityCritical:
 		return ui.Red
-	case "HIGH":
+	case severityHigh:
 		return ui.RedBold
-	case "MODERATE":
+	case severityModerate:
 		return ui.HiYellow
-	case "LOW":
+	case severityLow:
 		return ui.Cyan
 	default:
 		return ui.HiBlack