Update CI configs to master

Update lint scripts and CI configs.

.golangci.yml

@@ -29,7 +29,6 @@ linters:
     - bodyclose        # checks whether HTTP response body is closed successfully
     - contextcheck     # check the function whether use a non-inherited context
     - decorder         # check declaration order and count of types, constants, variables and functions
-    - depguard         # Go linter that checks if package imports are in a list of acceptable packages
     - dogsled          # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f())
     - dupl             # Tool for code clone detection
     - durationcheck    # check for two durations multiplied together
@@ -63,7 +62,6 @@ linters:
     - importas         # Enforces consistent import aliases
     - ineffassign      # Detects when assignments to existing variables are not used
     - misspell         # Finds commonly misspelled English words in comments
-    - nakedret         # Finds naked returns in functions greater than a specified function length
     - nilerr           # Finds the code that returns nil even if it checks that the error is not nil.
     - nilnil           # Checks that there is no simultaneous return of `nil` error and an invalid value.
     - noctx            # noctx finds sending http request without context.Context
@@ -81,6 +79,7 @@ linters:
     - wastedassign     # wastedassign finds wasted assignment statements
     - whitespace       # Tool for detection of leading and trailing whitespace
   disable:
+    - depguard         # Go linter that checks if package imports are in a list of acceptable packages
     - containedctx     # containedctx is a linter that detects struct contained context.Context field
     - cyclop           # checks function and package cyclomatic complexity
     - exhaustivestruct # Checks if all struct's fields are initialized
@@ -94,6 +93,7 @@ linters:
     - maintidx         # maintidx measures the maintainability index of each function.
     - makezero         # Finds slice declarations with non-zero initial length
     - maligned         # Tool to detect Go structs that would take less memory if their fields were sorted
+    - nakedret         # Finds naked returns in functions greater than a specified function length
     - nestif           # Reports deeply nested if statements
     - nlreturn         # nlreturn checks for a new line before return and branch statements to increase code clarity
     - nolintlint       # Reports ill-formed or insufficient nolint directives
@@ -111,22 +111,11 @@ linters:
 issues:
   exclude-use-default: false
   exclude-rules:
-    # Allow complex tests, better to be self contained
-    - path: _test\.go
+    # Allow complex tests and examples, better to be self contained
+    - path: (examples|main\.go|_test\.go)
       linters:
-        - gocognit
         - forbidigo
-
-    # Allow complex main function in examples
-    - path: examples
-      text: "of func `main` is high"
-      linters:
         - gocognit
-
-    # Allow forbidden identifiers in examples
-    - path: examples
-      linters:
-        - forbidigo
 
     # Allow forbidden identifiers in CLI commands
     - path: cmd