reconfigure pre-commit validation (#1427)

We have setup pre-commit.ci[1] to offload the execution of pre-commit.
This is supposed to be faster and easier to maintain than
running it with GH actions.

[1] https://pre-commit.ci/

.github/workflows/main.yaml

@@ -17,17 +17,6 @@ on:
       - '*'
 
 jobs:
-  linting:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Poetry
-        uses: snok/install-poetry@v1
-      - name: Install dependencies
-        run: poetry install --no-interaction --all-extras
-      - name: run pre-commit
-        run: poetry run pre-commit run --all-files --show-diff-on-failure
-
   packaging:
     runs-on: ubuntu-latest
     steps:
@@ -101,7 +90,6 @@ jobs:
 
   integration-tests:
     needs:
-      - linting
       - packaging
       - documentation
       - unit-tests

CONTRIBUTING.md

@@ -119,15 +119,18 @@ $ git checkout -b <branch-name>
 As a pre-deployment step we syntatically validate files with
 [pre-commit](https://pre-commit.com).
 
-Please [install pre-commit](https://pre-commit.com/#install) then run
-`pre-commit install` to setup the git hooks.  Once configured the pre-commit
-linters will automatically run on every git commit.  Alternatively you
-can manually execute the validations by running `pre-commit run --all-files`.
+Run `poetry run pre-commit install` to setup the git hooks.  Once configured
+the pre-commit  linters will automatically run on every git commit.
+Alternatively you can manually execute the validations by running
 
 ```bash
 $ poetry run pre-commit run --all-files
 ```
 
+The CI for pre-commit has been offloaded to [pre-commit.ci](https://pre-commit.ci)
+The configuration is in the [pre-commit-config.yaml](.pre-commit-config.yaml)
+file.
+
 ## Unit Tests
 
 Sceptre aims to be compatible with Python 3, please run unit test