Improve dependency setup feedback and fix Arabic locale YAML

- Makefile: show go mod download progress (-x) and clearer install messaging.
- README-en.md, README.md: update source-build Go requirement to 1.25+.
- internal/i18n/locales/ar-SY.yml: quote %s-prefixed validation strings to fix YAML parsing on startup.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

>> FileTree Changes :
	modified:   Makefile
	modified:   README-en.md
	modified:   README.md
	modified:   internal/i18n/locales/ar-SY.yml

README-en.md

@@ -89,7 +89,7 @@ Opengist is now running on port 6157, you can browse http://localhost:6157
 
 ### From source
 
-Requirements: [Git](https://git-scm.com/downloads) (2.28+), [Go](https://go.dev/doc/install) (1.23+), [Node.js](https://nodejs.org/en/download/) (16+), [Make](https://linux.die.net/man/1/make) (optional, but easier)
+Requirements: [Git](https://git-scm.com/downloads) (2.28+), [Go](https://go.dev/doc/install) (1.25+), [Node.js](https://nodejs.org/en/download/) (16+), [Make](https://linux.die.net/man/1/make) (optional, but easier)
 
 ```shell
 git clone https://github.com/thomiceli/opengist