SLE-1342 Fix remaining license headers (#973)

Author: nquinquenel

org.sonarlint.eclipse.feature/feature.properties

@@ -5,7 +5,7 @@ description=\
 SonarLint is an IDE extension that helps you detect and fix quality issues as you write code.
 
 copyright=\
-Copyright 2015-2025 SonarSource S.A, Switzerland.
+Copyright 2015-2025 SonarSource Sàrl, Switzerland.
 
 license=\
 Licensed under the GNU Lesser General Public License, Version 3.0\n\

org.sonarlint.eclipse.ui/about.properties

@@ -2,7 +2,7 @@ featureName=SonarLint for Eclipse
 featureText=SonarLint for Eclipse\n\
  \n\
  SonarLint is an IDE extension that helps you detect and fix quality issues as you write code.\n\
- Copyright 2015-2025 SonarSource S.A, Switzerland.\n\
+ Copyright 2015-2025 SonarSource Sàrl, Switzerland.\n\
  Licensed under the GNU Lesser General Public License, Version 3.0\n\
  \n\
  Visit https://docs.sonarsource.com/sonarqube-for-eclipse/license/\n\