bump version to 3.0.0 and update changelog (#14257)

Author: VBulikov

ChangeLog.md

@@ -1,7 +1,11 @@
 ChangeLog
 ---------
 
-## v3.0.0 (in development)
+## v3.0.1 (in development)
+
+https://github.com/erigontech/erigon/milestone/40
+
+## v3.0.0 
 
 ### Milestone
 

params/version.go

@@ -34,10 +34,10 @@ var (
 
 // see https://calver.org
 const (
-	VersionMajor       = 3     // Major version component of the current release
-	VersionMinor       = 0     // Minor version component of the current release
-	VersionMicro       = 0     // Patch version component of the current release
-	VersionModifier    = "rc3" // Modifier component of the current release
+	VersionMajor       = 3  // Major version component of the current release
+	VersionMinor       = 0  // Minor version component of the current release
+	VersionMicro       = 0  // Patch version component of the current release
+	VersionModifier    = "" // Modifier component of the current release
 	VersionKeyCreated  = "ErigonVersionCreated"
 	VersionKeyFinished = "ErigonVersionFinished"
 	ClientName         = "erigon"