Switch to gh merge queues (#4597)

* Delete unused bors.toml

* Add merge_group workflow trigger

* Remove Bors mention in README.md

* Update Bors related comments in CI

* Update .github/workflows/ci.yml

Co-authored-by: JF <[email protected]>

---------

Co-authored-by: JF <[email protected]>

.github/workflows/ci.yml

@@ -10,6 +10,8 @@ on:
     - reopened
     - synchronize
     - ready_for_review
+  merge_group:
+    branches: [ main ]
 
 env:
   CARGO_TERM_COLOR: always
@@ -108,7 +110,7 @@ jobs:
       - uses: actions-rust-lang/audit@v1
         name: Audit Rust Dependencies
 
-  # Full cross-platform tests required by bors to merge on main branch
+  # Full cross-platform tests required to merge on main branch
   full:
     name: full
     needs: sanity
@@ -219,7 +221,7 @@ jobs:
           files: lcov.info
           fail_ci_if_error: false
 
-  build: # quick hack because bors wrongly detect matrix jobs status
+  build: # quick hack because bors wrongly detect matrix jobs status. Note: May not be needed with GitHub Merge Queues.
     needs: full
     runs-on: ubuntu-latest
     steps:

README.md

@@ -9,7 +9,6 @@
 # Massa: The Decentralized and Scaled Blockchain
 
 [![CI](https://github.com/massalabs/massa/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/massalabs/massa/actions/workflows/ci.yml?query=branch%3Amain)
-[![Bors enabled](https://bors.tech/images/badge_small.svg)](https://app.bors.tech/repositories/39543)
 [![Docs](https://img.shields.io/static/v1?label=docs&message=massa&color=&style=flat)](https://massalabs.github.io/massa/massa_node/)
 [![Open in Gitpod](https://shields.io/badge/Gitpod-contribute-brightgreen?logo=gitpod&style=flat)](https://gitpod.io/#https://github.com/massalabs/massa)
 [![codecov](https://codecov.io/gh/massalabs/massa/graph/badge.svg?token=598URC32TV)](https://codecov.io/gh/massalabs/massa)