Update actions/checkout action to v4

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	`v3` -> `v4`

Release Notes

actions/checkout (actions/checkout)

### [`v4`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v400) [Compare Source](https://togithub.com/actions/checkout/compare/v3...v4) - [Support fetching without the --progress option](https://togithub.com/actions/checkout/pull/1067) - [Update to node20](https://togithub.com/actions/checkout/pull/1436)

Configuration

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`Terraform Security Scan` Failed

Show Output

```hcl Results #1-2 CRITICAL Firewall rule allows ingress traffic from multiple addresses on the public internet. (2 similar results) ──────────────────────────────────────────────────────────────────────────────── firewall.tf:24-27 ──────────────────────────────────────────────────────────────────────────────── 15 resource "google_compute_firewall" "this" { .. 24 ┌ source_ranges = [ 25 │ "35.191.0.0/16", 26 │ "130.211.0.0/22" 27 └ ] .. 39 } ──────────────────────────────────────────────────────────────────────────────── Individual Causes - firewall.tf:15-39 (google_compute_firewall.this) 2 instances ──────────────────────────────────────────────────────────────────────────────── ID google-compute-no-public-ingress Impact The port is exposed for ingress from the internet Resolution Set a more restrictive cidr range More Information - https://aquasecurity.github.io/tfsec/latest/checks/google/compute/no-public-ingress/ - https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_firewall#source_ranges - https://www.terraform.io/docs/providers/google/r/compute_firewall.html ──────────────────────────────────────────────────────────────────────────────── timings ────────────────────────────────────────── disk i/o 98.8µs parsing 1.0682ms adaptation 96.5µs checks 12.89809ms total 14.16159ms counts ────────────────────────────────────────── modules downloaded 0 modules processed 1 blocks processed 15 files read 7 results ────────────────────────────────────────── passed 2 ignored 0 critical 2 high 0 medium 0 low 0 2 passed, 2 potential problem(s) detected. ```

nlamirault / terraform-google-traffic-director