Fix markdown link format

Author: anatoliykmetyuk

docs/blog/_posts/2020-12-18-scala3-m3.md

@@ -143,17 +143,17 @@ The documentation for this feature is available [here](https://dotty.epfl.ch/doc
 # Metaprogramming changes
 Metaprogramming-wise, the majority of work is focused on polishing the API and making it more uniform. The following notable metaprogramming API changes occurred between M2 and M3:
 
-- Add reflect `MatchCase` `TypeRepr` (#10735)[https://github.com/lampepfl/dotty/pull/10735]
-- Rework reflect Symbol fields API (#10705)[https://github.com/lampepfl/dotty/pull/10705]
-- Remove `Expr.StringContext.unapply` (#10675)[https://github.com/lampepfl/dotty/pull/10675]
-- Rename `Liftable` to `ToExpr` and `Unliftable` to `FromExpr` (#10618)[https://github.com/lampepfl/dotty/pull/10618]
-- Remove Unliftable[Unit]  (#10570)[https://github.com/lampepfl/dotty/pull/10570]
-- Remove reflect.LambdaType (#10548)[https://github.com/lampepfl/dotty/pull/10548]
-- Add `scala.quoted.Expr.unapply` as dual of `Expr.apply` (#10580)[https://github.com/lampepfl/dotty/pull/10580]
-- Move `Quotes` as last parameter in `ExprMap.transform` (#10519)[https://github.com/lampepfl/dotty/pull/10519]
-- Unify quoted.report and reflect.Reporting (#10474)[https://github.com/lampepfl/dotty/pull/10474]
-- Fix #10359: Add GivenSelector to reflection API (#10469)[https://github.com/lampepfl/dotty/pull/10469]
-- Rework reflect show API (#10661)[https://github.com/lampepfl/dotty/pull/10661]
+- Add reflect `MatchCase` `TypeRepr` [#10735](https://github.com/lampepfl/dotty/pull/10735)
+- Rework reflect Symbol fields API [#10705](https://github.com/lampepfl/dotty/pull/10705)
+- Remove `Expr.StringContext.unapply` [#10675](https://github.com/lampepfl/dotty/pull/10675)
+- Rename `Liftable` to `ToExpr` and `Unliftable` to `FromExpr` [#10618](https://github.com/lampepfl/dotty/pull/10618)
+- Remove Unliftable[Unit]  [#10570](https://github.com/lampepfl/dotty/pull/10570)
+- Remove reflect.LambdaType [#10548](https://github.com/lampepfl/dotty/pull/10548)
+- Add `scala.quoted.Expr.unapply` as dual of `Expr.apply` [#10580](https://github.com/lampepfl/dotty/pull/10580)
+- Move `Quotes` as last parameter in `ExprMap.transform` [#10519](https://github.com/lampepfl/dotty/pull/10519)
+- Unify quoted.report and reflect.Reporting [#10474](https://github.com/lampepfl/dotty/pull/10474)
+- Fix #10359: Add GivenSelector to reflection API [#10469](https://github.com/lampepfl/dotty/pull/10469)
+- Rework reflect show API [#10661](https://github.com/lampepfl/dotty/pull/10661)
 - Fix #10709: Add missing level check before inlining [#10781](https://github.com/lampepfl/dotty/pull/10781)
 
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