Python: Trim unnecessary dependencies from test-driver-python (#10127)

* Python: Trim unnecessary dependencies from test-driver-python

* Python: re-run tests when the tests or driver changes

Author: tronical

.github/workflows/ci.yaml

@@ -108,21 +108,21 @@ jobs:
     # For changes to Slint internals, do a quick test on Linux for Python only.
     python_test_linux:
         needs: files-changed
-        if: needs.files-changed.outputs.internal == 'true' || needs.files-changed.outputs.api_python == 'true'
+        if: needs.files-changed.outputs.internal == 'true' || needs.files-changed.outputs.api_python == 'true' || needs.files-changed.outputs.tests == 'true'
         uses: ./.github/workflows/python_test_reusable.yaml
         with:
           name: "Python Linux"
           os: "ubuntu-22.04"
     python_test_macos:
         needs: files-changed
-        if: needs.files-changed.outputs.api_python == 'true'
+        if: needs.files-changed.outputs.api_python == 'true' || needs.files-changed.outputs.tests == 'true'
         uses: ./.github/workflows/python_test_reusable.yaml
         with:
           name: "Python macOS"
           os: "macos-14"
     python_test_windows:
         needs: files-changed
-        if: needs.files-changed.outputs.api_python == 'true'
+        if: needs.files-changed.outputs.api_python == 'true' || needs.files-changed.outputs.tests == 'true'
         uses: ./.github/workflows/python_test_reusable.yaml
         with:
           name: "Python Windows"

tests/driver/python/Cargo.toml

@@ -18,9 +18,6 @@ path = "main.rs"
 name = "test-driver-python"
 
 [dependencies]
-slint = { workspace = true, features = ["std", "compat-1-2"] }
-i-slint-backend-testing = { workspace = true, features = ["internal"] }
-slint-interpreter = { workspace = true, features = ["std", "compat-1-2", "internal"] }
 spin_on = { workspace = true }
 tempfile = "3"