build: adopt Go 1.23 and bump linter

.golangci.yml

@@ -4,8 +4,13 @@ linter-settings:
 
 timeout: 10m
 
-run:
-  skip-dirs:
+issues:
+  exclude-use-default: false
+  exclude:
+    # EXC0001 errcheck: Almost all programs ignore errors on these functions and in most cases it's ok
+    - Error return value of .((os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*print(f|ln)?|os\.(Un)?Setenv). (is not checked|Errors unhandled)
+
+  exclude-dirs:
     # This directory contains copy code from upstream kubernetes/kubernetes, skip it.
     - internal/kubernetes
     # This is mostly copied from upstream, rather than fixing that code here just ignore the errors.
@@ -14,26 +19,19 @@ run:
 linters:
   enable:
     - errcheck
-    - structcheck
-    - varcheck
     - staticcheck
     - unconvert
     - gofmt
     - goimports
     - ineffassign
-    - vet
+    - govet
     - unused
     - misspell
     - gosec
-    - exportloopref # Checks for pointers to enclosing loop variables
+    - copyloopvar # Checks for pointers to enclosing loop variables
     - tenv # Detects using os.Setenv instead of t.Setenv since Go 1.17
 
 linters-settings:
   gosec:
     excludes:
-      - G304
-issues:
-  exclude-use-default: false
-  exclude:
-    # EXC0001 errcheck: Almost all programs ignore errors on these functions and in most cases it's ok
-    - Error return value of .((os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*print(f|ln)?|os\.(Un)?Setenv). (is not checked|Errors unhandled)
+      - G304 # Potential file inclusion via variable