build(deps): bump sclorg/testing-farm-as-github-action from 3 to 4

Bumps [sclorg/testing-farm-as-github-action](https://github.com/sclorg/testing-farm-as-github-action) from 3 to 4.
- [Release notes](https://github.com/sclorg/testing-farm-as-github-action/releases)
- [Commits](sclorg/testing-farm-as-github-action@v3...v4)

---
updated-dependencies:
- dependency-name: sclorg/testing-farm-as-github-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/testingfarm-unit.yml

@@ -31,7 +31,7 @@ jobs:
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Run the tests
-      uses: sclorg/testing-farm-as-github-action@v3
+      uses: sclorg/testing-farm-as-github-action@v4
       with:
         compose: Fedora-40
         tmt_plan_regex: "/plans/unit-go"

.github/workflows/testingfarm.yml

@@ -48,7 +48,7 @@ jobs:
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Run the tests
-      uses: sclorg/testing-farm-as-github-action@v3
+      uses: sclorg/testing-farm-as-github-action@v4
       with:
         compose: Fedora-40
         tmt_plan_regex: "/plans/integration"