Update for golangci-lint 1.64.2

.golangci.toml

@@ -29,9 +29,6 @@ disable = [
     # generally
     "exhaustruct",
 
-    # Not relevant after 1.22
-    "exportloopref",
-
     # We tried this linter but most places we do forced type asserts are
     # pretty safe, e.g., an atomic.Value when everything is encapsulated
     # in a small package.
@@ -95,8 +92,8 @@ disable = [
     # actually made it harder to read.
     "tagalign",
 
-    # We probably _should_ be doing this!
-    "thelper",
+    # Deprecated since golangci-lint 1.64.0. The usetesting linter replaces it.
+    "tenv",
 
     # We don't follow this. Sometimes we test internal code.
     "testpackage",

mmdbtype/types_test.go

@@ -450,6 +450,8 @@ func TestEqual(t *testing.T) {
 }
 
 func validateEncoding(t *testing.T, tests map[string]DataType) {
+	t.Helper()
+
 	for expected, dt := range tests {
 		w := &dataWriter{Buffer: &bytes.Buffer{}}
 

tree_test.go

@@ -730,6 +730,8 @@ func TestTreeInsertAndGet(t *testing.T) {
 }
 
 func checkMMDB(t *testing.T, buf *bytes.Buffer, gets []testGet, name string) {
+	t.Helper()
+
 	t.Run(name, func(t *testing.T) {
 		reader, err := maxminddb.FromBytes(buf.Bytes())
 		require.NoError(t, err)
@@ -836,7 +838,7 @@ func TestGet_4ByteIPIn128BitTree(t *testing.T) {
 	assert.Equal(t, network.String(), getNetwork.String(), "16-byte lookup")
 }
 
-func s2ip(v string) *any { //nolint:gocritic // test
+func s2ip(v string) *any {
 	i := any(v)
 	return &i
 }