Enable bodyclose linter (#36168)

Enabe
[`bodyclose`](https://golangci-lint.run/docs/linters/configuration/#bodyclose).
The only issue in non-test code (`services/migrations/dump.go`) was a
false-positive and I think there are a number of undetected cases, but I
guess it's still better than not having it.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/indexer/issues/elasticsearch/elasticsearch_test.go

@@ -30,7 +30,11 @@ func TestElasticsearchIndexer(t *testing.T) {
 
 	require.Eventually(t, func() bool {
 		resp, err := http.Get(url)
-		return err == nil && resp.StatusCode == http.StatusOK
+		if err != nil {
+			return false
+		}
+		defer resp.Body.Close()
+		return resp.StatusCode == http.StatusOK
 	}, time.Minute, time.Second, "Expected elasticsearch to be up")
 
 	indexer := NewIndexer(url, fmt.Sprintf("test_elasticsearch_indexer_%d", time.Now().Unix()))