A brand new Release Notes feature for Releases being made by 'build.cake' script (#1716)

* Rename Release Notes file

* Refactor the CreateReleaseNotes task

* Use Func delegate instead of static local function

* Add () after type  😆

* Delete ReleaseNotes.md

* Fix bug in parsing of output of "git shortlog" command

* Re-add release notes file

* Final version of CreateReleaseNotes task

* Fix build.cake warning SYSLIB0014: 'WebRequest.CreateHttp(string)' is obsolete.
Refactor GetResourceAsync private method

* Read main header from Git file

* Make CreateReleaseNotes task dependent on Version one
Make Release task dependent on CreateReleaseNotes one

* Add Done status for each task

Author: raman-m

Ocelot.sln

@@ -17,7 +17,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		GitVersion.yml = GitVersion.yml
 		LICENSE.md = LICENSE.md
 		README.md = README.md
-		releasenotes.md = releasenotes.md
+		ReleaseNotes.md = ReleaseNotes.md
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{5B401523-36DA-4491-B73A-7590A26E420B}"

ReleaseNotes.md

@@ -0,0 +1 @@
+## September 2023 (version {0})