lint: fix modernize issues

[alexandear]

Change type

🆕 New feature or enhancement

Short description

Enable modernize linter and fix its issues.

Full description

This PR enables modernize lint issues in Golangci-lint config and fixes the following lint issues:

$ golangci-lint run --enable-only modernize
jsonutils_iface.go:25:21: any: interface{} can be replaced by any (modernize)
func WriteJSON(data interface{}) ([]byte, error) { return jsonutils.WriteJSON(data) }
                    ^
jsonutils_iface.go:30:34: any: interface{} can be replaced by any (modernize)
func ReadJSON(data []byte, value interface{}) error { return jsonutils.ReadJSON(data, value) }
                                 ^
jsonutils_iface.go:35:31: any: interface{} can be replaced by any (modernize)
func DynamicJSONToStruct(data interface{}, target interface{}) error {
                              ^
jsonutils_iface.go:49:26: any: interface{} can be replaced by any (modernize)
func ToDynamicJSON(value interface{}) interface{} {
                         ^
jsonutils_iface.go:50:10: any: interface{} can be replaced by any (modernize)
        var res interface{}
                ^
jsonutils_iface.go:65:35: any: interface{} can be replaced by any (modernize)
func FromDynamicJSON(data, target interface{}) error { return jsonutils.FromDynamicJSON(data, target) }
                                  ^
loading_iface.go:76:29: any: interface{} can be replaced by any (modernize)
func YAMLData(path string) (interface{}, error) {
                            ^
loading_iface_test.go:66:4: slicescontains: Loop can be simplified using slices.Contains (modernize)
                        for _, v := range myHeaders {
                        ^
typeutils_iface.go:12:18: any: interface{} can be replaced by any (modernize)
func IsZero(data interface{}) bool { return typeutils.IsZero(data) }
                 ^
yamlutils_iface.go:15:22: any: interface{} can be replaced by any (modernize)
func YAMLToJSON(data interface{}) (json.RawMessage, error) { return yamlutils.YAMLToJSON(data) }
                     ^
yamlutils_iface.go:20:35: any: interface{} can be replaced by any (modernize)
func BytesToYAMLDoc(data []byte) (interface{}, error) { return yamlutils.BytesToYAMLDoc(data) }
                                  ^
11 issues:
* modernize: 11

Checklist

• I have signed all my commits with my name and email (see DCO. This does not require a PGP-signed commit
• I have rebased and squashed my work, so only one commit remains
• I have added tests to cover my changes.
• I have properly enriched go doc comments in code.
• I have properly documented any breaking change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.94%. Comparing base (48179bd) to head (78fd721).
⚠️ Report is 2 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #155      +/-   ##
==========================================
+ Coverage   90.65%   90.94%   +0.29%     
==========================================
  Files          53       53              
  Lines        2986     2419     -567     
==========================================
- Hits         2707     2200     -507     
+ Misses        237      177      -60     
  Partials       42       42              

Flag	Coverage Δ
oldstable-macos-latest	90.49% <100.00%> (+0.60%)	⬆️
oldstable-ubuntu-latest	90.49% <100.00%> (+0.60%)	⬆️
oldstable-windows-latest	90.94% <100.00%> (+0.29%)	⬆️
stable-macos-latest	90.49% <100.00%> (+0.60%)	⬆️
stable-ubuntu-latest	90.49% <100.00%> (+0.60%)	⬆️
stable-windows-latest	90.94% <100.00%> (+0.29%)	⬆️

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