Bump version to 0.13.0 and add release notes

Author: odinserj

Directory.Build.props

@@ -8,6 +8,7 @@
         <LangVersion>9.0LangVersion>
         <NuGetAudit>trueNuGetAudit>
         <NuGetAuditMode>allNuGetAuditMode>
+        <VersionPrefix>0.13.0VersionPrefix>
     PropertyGroup>
 
     <PropertyGroup Condition="'$(APPVEYOR)' != ''">
@@ -19,7 +20,6 @@
     PropertyGroup>
 
     <PropertyGroup>
-        <VersionPrefix>0.12.0VersionPrefix>
         <BuildNumber Condition="'$(BuildNumber)' == ''">0BuildNumber>
         <FileVersion>$([System.Version]::Parse("$(VersionPrefix)").ToString(3)).$(BuildNumber)FileVersion>
         <AssemblyVersion>$([System.Version]::Parse("$(VersionPrefix)").ToString(1)).0.0.0AssemblyVersion>

nuspecs/Cronos.nuspec

@@ -14,7 +14,17 @@
     <icon>icon.pngicon>
     <readme>README.mdreadme>
     <tags>Cronos Cron Recurringtags>
-    <releaseNotes>https://github.com/HangfireIO/Cronos/releasesreleaseNotes>
+    <releaseNotes>https://github.com/HangfireIO/Cronos/releases
+
+0.13.0
+• Added – Add support for retrieving previous occurrences in Cron expressions (by @israellot).
+
+0.12.0
+• Added – Support schedule jitter with the `H` character (by @epicoxymoron).
+• Changed – Use unsigned types instead of signed ones internally (in collaboration with @joesdu).
+• Project – Replace `netcoreapp3.1` platform with `net8.0` in tests.
+
+]]>releaseNotes>
     <dependencies>
       <group targetFramework="net40">
       group>