Address new linter issues

Signed-off-by: Luiz Carvalho <lucarval@redhat.com>

.golangci.yaml

@@ -31,3 +31,13 @@ linters-settings:
       - standard
       - default
       - prefix(github.com/enterprise-contract/ec-cli)
+
+issues:
+  exclude-rules:
+    # Some function in acceptance, e.g. ImageReferenceInStubRegistry, take a string parameter which
+    # is used in call to a string format call, e.g. fmt.Sprintf(...). Golinter started complaining
+    # starting on version v1.60. Since these are acceptance tests, there isn't a lot of harm in
+    # allowing this.
+    - path: acceptance
+      linters: [govet]
+      text: "printf: non-constant format string in call"

acceptance/kubernetes/kind/kind.go

@@ -168,7 +168,7 @@ func Start(givenCtx context.Context) (ctx context.Context, kCluster types.Cluste
 			logger.Errorf("Unable to determine a free port: %v", err)
 			return
 		} else {
-			kCluster.registryPort = int32(port)
+			kCluster.registryPort = int32(port) //nolint:gosec // G115 - ports shouldn't be larger than int32
 		}
 
 		if err = kCluster.provider.Create(kCluster.name,

internal/output/output_test.go

@@ -830,7 +830,7 @@ func TestSetImageAccessibleCheckFromError(t *testing.T) {
 func TestSetImageSignatureCheckFromError(t *testing.T) {
 	noMatchingSignatures := cosign.ErrNoMatchingSignatures{}
 	f := reflect.ValueOf(&noMatchingSignatures).Elem().Field(0)
-	f = reflect.NewAt(f.Type(), unsafe.Pointer(f.UnsafeAddr())).Elem()
+	f = reflect.NewAt(f.Type(), unsafe.Pointer(f.UnsafeAddr())).Elem() //nolint:gosec // G115 - seems to be a false positive
 	f.Set(reflect.ValueOf(errors.New("kaboom!")))
 
 	cases := []struct {
@@ -917,7 +917,7 @@ func TestSetImageSignatureCheckFromError(t *testing.T) {
 func TestSetAttestationSignatureCheckFromError(t *testing.T) {
 	noMatchingAttestations := cosign.ErrNoMatchingAttestations{}
 	f := reflect.ValueOf(&noMatchingAttestations).Elem().Field(0)
-	f = reflect.NewAt(f.Type(), unsafe.Pointer(f.UnsafeAddr())).Elem()
+	f = reflect.NewAt(f.Type(), unsafe.Pointer(f.UnsafeAddr())).Elem() //nolint:gosec // G115 - seems to be a false positive
 	f.Set(reflect.ValueOf(errors.New("kaboom!")))
 
 	cases := []struct {