update golangci-lint to v1.52

Removing the "structcheck" and "varcheck" linters as they've been deprecated.

    level=warning msg="[runner] The linter 'structcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused."
    level=warning msg="[runner] The linter 'varcheck' is deprecated (since v1.49.0) due to: The owner seems to have abandoned the linter. Replaced by unused."

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit dec03ea)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

.golangci.yml

@@ -1,7 +1,5 @@
 linters:
   enable:
-    - structcheck
-    - varcheck
     - staticcheck
     - unconvert
     - gofmt
@@ -14,6 +12,14 @@ linters:
   disable:
     - errcheck
 
+linters-settings:
+  revive:
+    rules:
+      # TODO(thaJeztah): temporarily disabled the "unused-parameter" check.
+      # It produces many warnings, and some of those may need to be looked at.
+      - name: unused-parameter
+        disabled: true
+
 run:
   deadline: 2m
   skip-dirs:

script/setup/install-dev-tools

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-GOLANGCI_LINT_VERSION="v1.50.1"
+GOLANGCI_LINT_VERSION="v1.52.0"
 
 #
 # Install developer tools to $GOBIN (or $GOPATH/bin if unset)