[ci] Fix summary in test examples workflow (#3951)

### Changes

Modify `.github/scripts/pytest_md_summary.py` to recursive search xml
file in target directory instead of glob

### Reason for changes

https://github.com/openvinotoolkit/nncf/actions/runs/22205757297

Changed behavior of `actions/download-artifact` since v7.0.0 

### Tests


https://github.com/openvinotoolkit/nncf/actions/runs/22402028564/job/64853123212?pr=3951

Author: AlexanderDokuchaev

.github/scripts/pytest_md_summary.py

@@ -11,7 +11,7 @@
 
 import sys
 from dataclasses import dataclass
-from glob import glob
+from pathlib import Path
 
 from defusedxml import ElementTree as ET
 
@@ -34,7 +34,7 @@ def __lt__(self, other: object) -> bool:
         return self.name < other.name
 
 
-def parse_xml_report(xml_file) -> list[TestInfo]:
+def parse_xml_report(xml_file: Path) -> list[TestInfo]:
     """
     Parse the XML report generated by pytest.
 
@@ -85,18 +85,18 @@ def parse_xml_report(xml_file) -> list[TestInfo]:
 if __name__ == "__main__":
     """
     This script generates a summary table in Markdown format from XML reports generated by pytest.
-    Supports multiple XML files and glob patterns.
+    Finds all XML files recursively in the specified directory.
 
     Usage in GitHub workflow:
         - name: Test Summary
         if: ${{ !cancelled() }}
         run: |
-            python .github/scripts/pytest_md_summary.py test-results/*/pytest-results.xml >> $GITHUB_STEP_SUMMARY
+            python .github/scripts/pytest_md_summary.py test-results >> $GITHUB_STEP_SUMMARY
     """
     try:
         xml_files = []
-        for pattern in sys.argv[1:]:
-            xml_files.extend(glob(pattern))
+        for root in sys.argv[1:]:
+            xml_files.extend(Path(root).rglob("*.xml"))
 
         if not xml_files:
             sys.exit(1)

.github/workflows/conformance_weight_compression.yml

@@ -94,4 +94,4 @@ jobs:
       - name: Test Summary
         run: |
           pip install defusedxml==0.7.1
-          python .github/scripts/pytest_md_summary.py test-results/*/pytest-results.xml >> "$GITHUB_STEP_SUMMARY"
+          python .github/scripts/pytest_md_summary.py test-results >> "$GITHUB_STEP_SUMMARY"

.github/workflows/examples.yml

@@ -239,7 +239,7 @@ jobs:
       - name: Test Summary
         run: |
           pip install defusedxml==0.7.1
-          python .github/scripts/pytest_md_summary.py test-results/*/pytest-results.xml >> "$GITHUB_STEP_SUMMARY"
+          python .github/scripts/pytest_md_summary.py test-results >> "$GITHUB_STEP_SUMMARY"
 
   examples-cuda-summary:
     name: Examples CUDA Summary
@@ -257,7 +257,7 @@ jobs:
       - name: Test Summary
         run: |
           pip install defusedxml==0.7.1
-          python .github/scripts/pytest_md_summary.py test-results/*/pytest-results.xml >> "$GITHUB_STEP_SUMMARY"
+          python .github/scripts/pytest_md_summary.py test-results >> "$GITHUB_STEP_SUMMARY"
 
   examples-win-cpu-summary:
     name: Examples Windows CPU Summary
@@ -275,4 +275,4 @@ jobs:
       - name: Test Summary
         run: |
           pip install defusedxml==0.7.1
-          python .github/scripts/pytest_md_summary.py test-results/*/pytest-results.xml >> "$GITHUB_STEP_SUMMARY"
+          python .github/scripts/pytest_md_summary.py test-results >> "$GITHUB_STEP_SUMMARY"