chore: ressort whitespace hooks in pre-commit config

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| mcr.microsoft.com/devcontainers/javascript-node | image | major | `1-20` → `4-20` |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi42Ni4wIiwidXBkYXRlZEluVmVyIjoiNDIuNjYuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

Reviewed-on: #51
Co-authored-by: Renovate Bot <renovate@horstenkamp.eu>
Co-committed-by: Renovate Bot <renovate@horstenkamp.eu>

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 {
   "name": "JS Dev Container",
-  "image": "mcr.microsoft.com/devcontainers/javascript-node:1-20",
+  "image": "mcr.microsoft.com/devcontainers/javascript-node:4-20",
   "features": {
     "ghcr.io/devcontainers/features/git:1": {},
     "ghcr.io/devcontainers/features/git-lfs:1": {},

.pre-commit-config.yaml

@@ -3,10 +3,6 @@ repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
   rev: v6.0.0
   hooks:
-  - id: end-of-file-fixer
-    exclude: (.txt$|.ipynb$|README.md$|readme.mde$)
-  - id: trailing-whitespace
-    exclude: (.txt$|README.md$)
   - id: check-yaml
   - id: check-json
   - id: check-toml
@@ -22,7 +18,6 @@ repos:
     args: [--autofix, --no-sort-keys, --no-ensure-ascii]
   - id: check-merge-conflict
   - id: no-commit-to-branch
-    args: [--branch, main]
 
 - repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
   rev: v2.15.0
@@ -46,3 +41,13 @@ repos:
   - id: check-renovate
   - id: check-github-actions
   - id: check-github-workflows
+
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v6.0.0
+  hooks:
+  - id: end-of-file-fixer
+    exclude: (.txt$|.ipynb$|README.md$|readme.mde$)
+  - id: trailing-whitespace
+    exclude: (.txt$|README.md$)
+  - id: mixed-line-ending
+    args: [--fix=lf]