Add owners to shared_requirements.txt (#47173)

* Add owners to shared_requirements.txt

* Target root shared_requirements.txt

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: danieljurek

.github/CODEOWNERS

@@ -830,6 +830,8 @@
 /doc/                                                                @scbedd @danieljurek @Azure/azure-python-sdk
 /conda/                                                              @scbedd @danieljurek @lmazuel
 
+/shared_requirements.txt                                             @azure/azure-sdk-eng @kashifkhan @xirzec
+
 # Add owners for notifications for specific pipelines
 /eng/pipelines/templates/jobs/tests-nightly-python.yml               @lmazuel @mccoyp
 /eng/pipelines/aggregate-reports.yml                                 @lmazuel @mccoyp