Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [hashicorp/setup-terraform](https://github.com/hashicorp/setup-terraform).


Updates `actions/upload-artifact` from 6 to 7
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

Updates `hashicorp/setup-terraform` from 3 to 4
- [Release notes](https://github.com/hashicorp/setup-terraform/releases)
- [Changelog](https://github.com/hashicorp/setup-terraform/blob/main/CHANGELOG.md)
- [Commits](hashicorp/setup-terraform@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: hashicorp/setup-terraform
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/deploy-hubs.yaml

@@ -167,7 +167,7 @@ jobs:
         (steps.generate-jobs.outputs.support-jobs != '[]' ||
         steps.generate-jobs.outputs.staging-jobs != '[]' ||
         steps.generate-jobs.outputs.prod-jobs != '[]')
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: pr
         path: |

.github/workflows/ensure-uptime-checks.yaml

@@ -31,7 +31,7 @@ jobs:
     - uses: actions/checkout@v6
 
       # Uptime checks are set up and managed via terraform
-    - uses: hashicorp/setup-terraform@v3
+    - uses: hashicorp/setup-terraform@v4
 
       # We use sops to store encrypted GCP ServiceAccount Key that terraform uses
       # to run, as well as PagerDuty config terraform uses

.github/workflows/terraform-lint.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-    - uses: hashicorp/setup-terraform@v3
+    - uses: hashicorp/setup-terraform@v4
     - uses: terraform-linters/setup-tflint@v6
     - name: Run terraform linter
       run: |