Fix formatting on changenotes

Author: angelapwen

ruby/ql/lib/change-notes/2024-02-26-arel-sqlliteral.md

@@ -1,4 +1,4 @@
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 category: minorAnalysis
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-Calls to `Arel::Nodes::SqlLiteral.new` are now modeled as instances of the `SqlConstruction` concept, as well as propagating taint from their argument.
+* Calls to `Arel::Nodes::SqlLiteral.new` are now modeled as instances of the `SqlConstruction` concept, as well as propagating taint from their argument.

ruby/ql/lib/change-notes/2024-02-29-i18n-translate.md

@@ -1,4 +1,4 @@
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 category: minorAnalysis
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-Calls to `I18n.translate` as well as Rails helper translate methods now propagate taint from their keyword arguments. The Rails translate methods are also recognized as XSS sanitizers when using keys marked as html safe.
+* Calls to `I18n.translate` as well as Rails helper translate methods now propagate taint from their keyword arguments. The Rails translate methods are also recognized as XSS sanitizers when using keys marked as html safe.