update golangci-lint to v1.62

Update config file for the new version, and removed some linters that were
deprecated and removed;

    WARN The linter 'varcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused.
    ERRO [linters_context] deadcode: This linter is fully inactivated: it will not produce any reports.
    ERRO [linters_context] varcheck: This linter is fully inactivated: it will not produce any reports.

Signed-off-by: Sebastiaan van Stijn <[email protected]>

.golangci.yml

@@ -3,7 +3,6 @@ run:
 
 linters:
   enable:
-    - deadcode
     - depguard
     - gofmt
     - goimports
@@ -13,20 +12,18 @@ linters:
     - ineffassign
     - misspell
     - typecheck
-    - varcheck
     - errname
     - makezero
     - whitespace
   disable-all: true
 
 linters-settings:
   depguard:
-    list-type: blacklist
-    include-go-root: true
-    packages:
-      # The io/ioutil package has been deprecated.
-      # https://go.dev/doc/go1.16#ioutil
-      - io/ioutil
+    rules:
+      main:
+        deny:
+          - pkg: io/ioutil
+            desc: The io/ioutil package has been deprecated, see https://go.dev/doc/go1.16#ioutil
   importas:
     no-unaliased: true
 

Dockerfile

@@ -15,7 +15,7 @@
 # limitations under the License.
 
 ARG GO_VERSION="1.18"
-ARG GOLANGCI_LINT_VERSION="v1.45"
+ARG GOLANGCI_LINT_VERSION="v1.62"
 ARG ADDLICENSE_VERSION="v1.0.0"
 
 ARG LICENSE_ARGS="-c cli-docs-tool -l apache"