CSHARP-4213: CryptClient.StartDecryptionContext pins buffer but never unpins. (#824)

Author: DmitryLukyanov

src/MongoDB.Driver.Core/MongoDB.Driver.Core.csproj

@@ -177,7 +177,7 @@
   <ItemGroup>
     <PackageReference Include="DnsClient" Version="1.6.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.6.2" PrivateAssets="All" />
-    <PackageReference Include="MongoDB.Libmongocrypt" Version="1.5.2" />
+    <PackageReference Include="MongoDB.Libmongocrypt" Version="1.5.3" />
     <PackageReference Include="SharpCompress" Version="0.30.1" />
     <PackageReference Include="System.Buffers" Version="4.5.1" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">

src/MongoDB.Driver/MongoDB.Driver.csproj

@@ -48,7 +48,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.6.2" PrivateAssets="All" />
-    <PackageReference Include="MongoDB.Libmongocrypt" Version="1.5.2" />
+    <PackageReference Include="MongoDB.Libmongocrypt" Version="1.5.3" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>