Add .patch to attachment.ALLOWED_TYPES (#23580) (#23582)

Backport #23580 by @silverwind

Updated this default to GitHub's latest, adding the `.patch` file
extension to allowed types.

Co-authored-by: silverwind <me@silverwind.io>

Author: GiteaBot

Diff for: custom/conf/app.example.ini

@@ -1832,7 +1832,7 @@ ROUTER = console
 ;ENABLED = true
 ;;
 ;; Comma-separated list of allowed file extensions (`.zip`), mime types (`text/plain`) or wildcard type (`image/*`, `audio/*`, `video/*`). Empty value or `*/*` allows all types.
-;ALLOWED_TYPES = .csv,.docx,.fodg,.fodp,.fods,.fodt,.gif,.gz,.jpeg,.jpg,.log,.md,.mov,.mp4,.odf,.odg,.odp,.ods,.odt,.pdf,.png,.pptx,.svg,.tgz,.txt,.webm,.xls,.xlsx,.zip
+;ALLOWED_TYPES = .csv,.docx,.fodg,.fodp,.fods,.fodt,.gif,.gz,.jpeg,.jpg,.log,.md,.mov,.mp4,.odf,.odg,.odp,.ods,.odt,.patch,.pdf,.png,.pptx,.svg,.tgz,.txt,.webm,.xls,.xlsx,.zip
 ;;
 ;; Max size of each file. Defaults to 4MB
 ;MAX_SIZE = 4

Diff for: docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -841,7 +841,7 @@ Default templates for project boards:
 ## Issue and pull request attachments (`attachment`)
 
 - `ENABLED`: **true**: Whether issue and pull request attachments are enabled.
-- `ALLOWED_TYPES`: **.csv,.docx,.fodg,.fodp,.fods,.fodt,.gif,.gz,.jpeg,.jpg,.log,.md,.mov,.mp4,.odf,.odg,.odp,.ods,.odt,.pdf,.png,.pptx,.svg,.tgz,.txt,.webm,.xls,.xlsx,.zip**: Comma-separated list of allowed file extensions (`.zip`), mime types (`text/plain`) or wildcard type (`image/*`, `audio/*`, `video/*`). Empty value or `*/*` allows all types.
+- `ALLOWED_TYPES`: **.csv,.docx,.fodg,.fodp,.fods,.fodt,.gif,.gz,.jpeg,.jpg,.log,.md,.mov,.mp4,.odf,.odg,.odp,.ods,.odt,.patch,.pdf,.png,.pptx,.svg,.tgz,.txt,.webm,.xls,.xlsx,.zip**: Comma-separated list of allowed file extensions (`.zip`), mime types (`text/plain`) or wildcard type (`image/*`, `audio/*`, `video/*`). Empty value or `*/*` allows all types.
 - `MAX_SIZE`: **4**: Maximum size (MB).
 - `MAX_FILES`: **5**: Maximum number of attachments that can be uploaded at once.
 - `STORAGE_TYPE`: **local**: Storage type for attachments, `local` for local disk or `minio` for s3 compatible object storage service, default is `local` or other name defined with `[storage.xxx]`

Diff for: modules/setting/attachment.go

@@ -26,7 +26,7 @@ func loadAttachmentFrom(rootCfg ConfigProvider) {
 
 	Attachment.Storage = getStorage(rootCfg, "attachments", storageType, sec)
 
-	Attachment.AllowedTypes = sec.Key("ALLOWED_TYPES").MustString(".csv,.docx,.fodg,.fodp,.fods,.fodt,.gif,.gz,.jpeg,.jpg,.log,.md,.mov,.mp4,.odf,.odg,.odp,.ods,.odt,.pdf,.png,.pptx,.svg,.tgz,.txt,.webm,.xls,.xlsx,.zip")
+	Attachment.AllowedTypes = sec.Key("ALLOWED_TYPES").MustString(".csv,.docx,.fodg,.fodp,.fods,.fodt,.gif,.gz,.jpeg,.jpg,.log,.md,.mov,.mp4,.odf,.odg,.odp,.ods,.odt,.patch,.pdf,.png,.pptx,.svg,.tgz,.txt,.webm,.xls,.xlsx,.zip")
 	Attachment.MaxSize = sec.Key("MAX_SIZE").MustInt64(4)
 	Attachment.MaxFiles = sec.Key("MAX_FILES").MustInt(5)
 	Attachment.Enabled = sec.Key("ENABLED").MustBool(true)