Update golangci-lint conifg

Author: oschwald

.golangci.toml

@@ -5,26 +5,48 @@
 [linters]
   disable-all = true
   enable = [
+    "bodyclose",
     "deadcode",
     "depguard",
     "errcheck",
+    "exportloopref",
     "goconst",
     "gocyclo",
     "gocritic",
-    "gofmt",
+    "gofumpt",
     "golint",
     "gosec",
     "gosimple",
+    "govet",
     "ineffassign",
     "maligned",
     "misspell",
     "nakedret",
+    "noctx",
+    "nolintlint",
+    "sqlclosecheck",
     "staticcheck",
     "structcheck",
+    "stylecheck",
     "typecheck",
     "unconvert",
     "unparam",
+    "unused",
     "varcheck",
-    "vet",
     "vetshadow",
   ]
+
+[linters-settings.gofumpt]
+    extra-rules = true
+
+[issues]
+exclude-use-default = false
+
+  [[issues.exclude-rules]]
+  linters = [
+    "gosec"
+  ]
+
+  # G404 - "Use of weak random number generator (math/rand instead of crypto/rand)"
+  #        We only use this in tests.
+  text = "G404"