chore: update linter (#2785)

.github/workflows/pr.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       GO_VERSION: stable
-      GOLANGCI_LINT_VERSION: v2.7.1
+      GOLANGCI_LINT_VERSION: v2.8.0
       HUGO_VERSION: 0.148.2
       CGO_ENABLED: 0
       LEGO_E2E_TESTS: CI

providers/dns/internal/selectel/internal/client.go

@@ -53,8 +53,8 @@ func (c *Client) GetDomainByName(ctx context.Context, domainName string) (*Domai
 	if err != nil {
 		if statusCode == http.StatusNotFound && strings.Count(domainName, ".") > 1 {
 			// Look up for the next subdomain
-			subIndex := strings.Index(domainName, ".")
-			return c.GetDomainByName(ctx, domainName[subIndex+1:])
+			_, after, _ := strings.Cut(domainName, ".")
+			return c.GetDomainByName(ctx, after)
 		}
 
 		return nil, err

providers/dns/selectelv2/selectelv2.go

@@ -297,10 +297,10 @@ func (w *clientWrapper) getZone(ctx context.Context, name string) (*selectelapi.
 		return nil, fmt.Errorf("zone '%s' for challenge has not been found", name)
 	}
 
-	// -1 can not be returned since if no dots present we exit above
-	i := strings.Index(name, ".")
+	// after is always defined since if no dots present we exit above.
+	_, after, _ := strings.Cut(name, ".")
 
-	return w.getZone(ctx, name[i+1:])
+	return w.getZone(ctx, after)
 }
 
 func (w *clientWrapper) getRRset(ctx context.Context, name, zoneID string) (*selectelapi.RRSet, error) {