[chore] Prep for v6.7.3 release (#589)

Author: nwithan8

CHANGELOG.md

@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## Next Release
+## v6.7.3 (2024-09-17)
 
 - Corrects all API documentation link references to point to their new locations
 - Fix recursion during disposal causing stack overflow

EasyPost.nuspec

@@ -3,7 +3,7 @@
     <metadata>
         <id>EasyPost-Official</id>
         <title>EasyPost (Official)</title>
-        <version>6.7.2</version>
+        <version>6.7.3</version>
         <authors>EasyPost</authors>
         <owners>EasyPost</owners>
         <projectUrl>https://www.easypost.com</projectUrl>

EasyPost/Properties/VersionInfo.cs

@@ -2,6 +2,6 @@
 
 // Version information for an assembly must follow semantic versioning
 // When releasing a release candidate, append a 4th digit being the number of the release candidate
-[assembly: AssemblyVersion("6.7.2")]
-[assembly: AssemblyFileVersion("6.7.2")]
-[assembly: AssemblyInformationalVersion("6.7.2")]
+[assembly: AssemblyVersion("6.7.3")]
+[assembly: AssemblyFileVersion("6.7.3")]
+[assembly: AssemblyInformationalVersion("6.7.3")]