Update golangci-lint to v1.59.0 (#31221)

One new error regarding `fmt.Fscanf` error return in `gitdiff.go` but
I'm not touching that further right now as handling the error would
introduce a behaviour difference.

Author: silverwind

Makefile

@@ -28,7 +28,7 @@ XGO_VERSION := go-1.22.x
 AIR_PACKAGE ?= github.com/cosmtrek/air@v1
 EDITORCONFIG_CHECKER_PACKAGE ?= github.com/editorconfig-checker/editorconfig-checker/cmd/editorconfig-checker@2.7.0
 GOFUMPT_PACKAGE ?= mvdan.cc/gofumpt@v0.6.0
-GOLANGCI_LINT_PACKAGE ?= github.com/golangci/golangci-lint/cmd/golangci-lint@v1.57.2
+GOLANGCI_LINT_PACKAGE ?= github.com/golangci/golangci-lint/cmd/golangci-lint@v1.59.0
 GXZ_PACKAGE ?= github.com/ulikunitz/xz/cmd/gxz@v0.5.11
 MISSPELL_PACKAGE ?= github.com/golangci/misspell/cmd/misspell@v0.5.1
 SWAGGER_PACKAGE ?= github.com/go-swagger/go-swagger/cmd/swagger@db51e79a0e37c572d8b59ae0c58bf2bbbbe53285

services/gitdiff/gitdiff.go

@@ -1061,7 +1061,7 @@ func readFileName(rd *strings.Reader) (string, bool) {
 	char, _ := rd.ReadByte()
 	_ = rd.UnreadByte()
 	if char == '"' {
-		fmt.Fscanf(rd, "%q ", &name)
+		_, _ = fmt.Fscanf(rd, "%q ", &name)
 		if len(name) == 0 {
 			log.Error("Reader has no file name: reader=%+v", rd)
 			return "", true
@@ -1073,12 +1073,12 @@ func readFileName(rd *strings.Reader) (string, bool) {
 	} else {
 		// This technique is potentially ambiguous it may not be possible to uniquely identify the filenames from the diff line alone
 		ambiguity = true
-		fmt.Fscanf(rd, "%s ", &name)
+		_, _ = fmt.Fscanf(rd, "%s ", &name)
 		char, _ := rd.ReadByte()
 		_ = rd.UnreadByte()
 		for !(char == 0 || char == '"' || char == 'b') {
 			var suffix string
-			fmt.Fscanf(rd, "%s ", &suffix)
+			_, _ = fmt.Fscanf(rd, "%s ", &suffix)
 			name += " " + suffix
 			char, _ = rd.ReadByte()
 			_ = rd.UnreadByte()