Add more linters to improve code readability (#19989)

Add nakedret, unconvert, wastedassign, stylecheck and nolintlint linters to improve code readability

- nakedret - https://github.com/alexkohler/nakedret - nakedret is a Go static analysis tool to find naked returns in functions greater than a specified function length.
- unconvert - https://github.com/mdempsky/unconvert - Remove unnecessary type conversions
- wastedassign - https://github.com/sanposhiho/wastedassign -  wastedassign finds wasted assignment statements.
- notlintlint -  Reports ill-formed or insufficient nolint directives
- stylecheck - https://staticcheck.io/docs/checks/#ST - keep style consistent
  - excluded: [ST1003 - Poorly chosen identifier](https://staticcheck.io/docs/checks/#ST1003) and [ST1005 - Incorrectly formatted error string](https://staticcheck.io/docs/checks/#ST1005)

.golangci.yml

@@ -19,6 +19,11 @@ linters:
     - revive
     - gofumpt
     - depguard
+    - nakedret
+    - unconvert
+    - wastedassign
+    - nolintlint
+    - stylecheck
   enable-all: false
   disable-all: true
   fast: false
@@ -32,6 +37,10 @@ run:
     - web_src
 
 linters-settings:
+  stylecheck:
+    checks: ["all", "-ST1005", "-ST1003"]
+  nakedret:
+    max-func-lines: 0 
   gocritic:
     disabled-checks:
       - ifElseChain