chore: upgrade golangci-lint to version from version 1.48 to 1.49

.golangci.yml

@@ -2,7 +2,6 @@ linters:
   disable-all: true
   enable:
     - bodyclose
-    - deadcode
     - errcheck
     - gofmt
     - goimports
@@ -13,11 +12,9 @@ linters:
     - misspell
     - prealloc
     - staticcheck
-    - structcheck
     - typecheck
     - unconvert
     - unused
-    - varcheck
 
 run:
   deadline: 5m