chore: bump golangci-lint and minor fix (#186)

Signed-off-by: Mario Constanti <mario.constanti@mercedes-benz.com>

.golangci.yaml

@@ -61,3 +61,7 @@ linters-settings:
     zap: false
     require-string-key: true
     no-printf-like: true
+
+  gosec:
+    excludes:
+      - G115 # Potential integer overflow when converting between integer types

Makefile

@@ -176,7 +176,7 @@ KIND ?= $(LOCALBIN)/kind
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.0.1
 CONTROLLER_TOOLS_VERSION ?= v0.15.0
-GOLANGCI_LINT_VERSION ?= v1.59.1
+GOLANGCI_LINT_VERSION ?= v1.61.0
 MOCKGEN_VERSION ?= v0.4.0
 GORELEASER_VERSION ?= v1.21.0
 MDTOC_VERSION ?= v1.1.0

pkg/client/client.go

@@ -227,7 +227,7 @@ func extractJWTTokenExp(ctx context.Context, tokenString string) {
 	if claims, ok := token.Claims.(jwt.MapClaims); ok {
 		if exp, ok := claims["exp"].(float64); ok {
 			expTime := time.Unix(int64(exp), 0)
-			log.Info(fmt.Sprintf("new token expires on " + expTime.Format(time.UnixDate)))
+			log.Info(fmt.Sprintf("new token expires on %s", expTime.Format(time.UnixDate)))
 			metrics.GarmJwtExpiresAt.Set(exp)
 		}
 	}