tidy #89 Fix logo on README.md files (Kocal)

This PR was merged into the main branch.

Discussion
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Fix logo on README.md files

| Q              | A
| -------------- | ---
| Bug fix?       | no
| New feature?   | no <!-- please update CHANGELOG.md file -->
| Deprecations?  | no <!-- if yes, also update UPGRADE-*.md and CHANGELOG.md files -->
| Documentation? | no <!-- required for new features, or documentation updates -->
| Issues         | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License        | MIT

<!--
Replace this notice by a description of your feature/bugfix.
This will help reviewers and should be a good start for the documentation.

Additionally (see https://symfony.com/releases):
 - Always add tests and ensure they pass.
 - For new features, provide some code snippets to help understand usage.
 - Features and deprecations must be submitted against branch main.
 - Update/add documentation as required (we can help!)
 - Changelog entry should follow https://symfony.com/doc/current/contributing/code/conventions.html#writing-a-changelog-entry
 - Never break backward compatibility (see https://symfony.com/bc).
-->

Commits
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bfaa586 Fix logo on README.md files

Author: Kocal

README.md

@@ -3,7 +3,7 @@
 </a></p>
 
 <h3 align="center">
-    <img src="doc/symfony-reprise.svg" alt="Symfony Reprise" height="32" align="center"> Symfony Reprise: Webpack Encore's heritage, for modern bundlers
+    <img src="doc/symfony-reprise.svg" alt="Symfony Reprise" height="48" align="center" valign="middle"> Symfony Reprise: Webpack Encore's heritage, for modern bundlers
 </h3>
 
 <p align="center">

assets/README.md

@@ -3,7 +3,7 @@
 </a></p>
 
 <h3 align="center">
-    <img src="https://raw.githubusercontent.com/symfony/reprise/main/doc/symfony-reprise.svg" alt="Symfony Reprise" height="32" align="center"> Symfony Reprise: Webpack Encore's heritage, for modern bundlers
+    <img src="https://raw.githubusercontent.com/symfony/reprise/main/doc/symfony-reprise.svg" alt="Symfony Reprise" height="48" align="center" valign="middle"> Symfony Reprise: Webpack Encore's heritage, for modern bundlers
 </h3>
 
 <p align="center">