ProjectExplorer: Limit the usage of std::make_pair

Make the code less verbose.

Change-Id: I4d671a49a6b8097d4a324bdd9f6a2c9dbdb225cc
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/projectexplorer/jsonwizard/jsonwizardfactory.cpp

@@ -300,7 +300,7 @@ std::pair<int, QStringList> JsonWizardFactory::screenSizeInfoFromPage(const QStr
     if (values.isEmpty())
         return {};
 
-    return std::make_pair(index, values);
+    return {index, values};
 }
 
 JsonWizardFactory::Page JsonWizardFactory::parsePage(const QVariant &value, QString *errorMessage)

src/plugins/projectexplorer/toolchain.cpp

@@ -685,11 +685,9 @@ static QString badToolchainTimestampKey() { return {"Timestamp"}; }
 
 QVariantMap BadToolchain::toMap() const
 {
-    return {
-        std::make_pair(badToolchainFilePathKey(), filePath.toVariant()),
-        std::make_pair(badToolchainSymlinkTargetKey(), symlinkTarget.toVariant()),
-        std::make_pair(badToolchainTimestampKey(), timestamp.toMSecsSinceEpoch()),
-    };
+    return {{badToolchainFilePathKey(), filePath.toVariant()},
+            {badToolchainSymlinkTargetKey(), symlinkTarget.toVariant()},
+            {badToolchainTimestampKey(), timestamp.toMSecsSinceEpoch()}};
 }
 
 BadToolchain BadToolchain::fromMap(const QVariantMap &map)