build: 5.1.0 release (#293)

### Description
<!-- Describe what change this PR is implementing -->

### Types of Changes
<!--- What types of changes does your code introduce? -->
- [ ] Tech Debt (Code improvements)
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Dependency upgrade (A change in substrate or any 3rd party crate
version)

### Migrations and Hooks
<!--- Check the following box with an x if the following applies: -->
- [ ] This change requires a runtime migration.
- [ ] Modifies `on_initialize`
- [ ] Modifies `on_finalize`

### Checklist
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requiring PR review -->
- [ ] Change has been tested locally.
- [ ] Change adds / updates tests.
- [ ] Changelog doc updated.

CHANGELOG.md

@@ -14,6 +14,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - ...
 =======
 
+## [5.1.0]
+
+### Changed
+
+- [C] `5.0.1` release changes are reverted
+- [C,D] Off-chain workers are enabled
+
 ## [5.0.0]
 
 ### Changed

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace.package]
-version = "5.0.0"
+version = "5.1.0"
 authors = ["Cerebellum-Network"]
 edition = "2021"
 homepage = "https://cere.network/"