Fix lint error & remove black

Related to #620

Update the lint script and configuration files to fix the lint error. And remove black because ruff replace it.

* **scripts/lint.sh**
  - Update the `ruff` command to use `ruff check` instead of `ruff`.
  - Remove the `black` command.

* **.github/workflows/lint.yml**
  - Remove `black` from the `Install dependencies` step.

* **.pre-commit-config.yaml**
  - Remove the `black` dependency.

---

For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/julien-duponchelle/python-mysql-replication/issues/620?shareId=XXXX-XXXX-XXXX-XXXX).

.github/workflows/lint.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install ruff black
+          pip install ruff
 
       - name: Run lint script
         run: bash scripts/lint.sh

.pre-commit-config.yaml

@@ -12,8 +12,3 @@ repos:
     hooks:
     -   id: ruff
         args: [ --fix, --exit-non-zero-on-fix ]
-
--   repo: https://github.com/psf/black
-    rev: 23.7.0
-    hooks:
-    -   id: black

scripts/lint.sh

@@ -3,5 +3,4 @@
 set -e
 set -x
 
-ruff pymysqlreplication
-black pymysqlreplication --check
+ruff check pymysqlreplication