fix: use non-locale aware format for scale and translate (#100)

* Non-locale aware of scale and translate
* Fix lint warning - too long line

Author: JercSi

src/Renderer/Image/SvgImageBackEnd.php

@@ -19,6 +19,8 @@
 final class SvgImageBackEnd implements ImageBackEndInterface
 {
     private const PRECISION = 3;
+    private const SCALE_FORMAT = 'scale(%.' . self::PRECISION . 'F)';
+    private const TRANSLATE_FORMAT = 'translate(%.' . self::PRECISION . 'F,%.' . self::PRECISION . 'F)';
 
     private ?XMLWriter $xmlWriter;
 
@@ -85,7 +87,7 @@ public function scale(float $size) : void
         $this->xmlWriter->startElement('g');
         $this->xmlWriter->writeAttribute(
             'transform',
-            sprintf('scale(%s)', round($size, self::PRECISION))
+            sprintf(self::SCALE_FORMAT, round($size, self::PRECISION))
         );
         ++$this->stack[$this->currentStack];
     }
@@ -99,7 +101,7 @@ public function translate(float $x, float $y) : void
         $this->xmlWriter->startElement('g');
         $this->xmlWriter->writeAttribute(
             'transform',
-            sprintf('translate(%s,%s)', round($x, self::PRECISION), round($y, self::PRECISION))
+            sprintf(self::TRANSLATE_FORMAT, round($x, self::PRECISION), round($y, self::PRECISION))
         );
         ++$this->stack[$this->currentStack];
     }