Fix TSAN artifact gathering in CI

Fixup for 2c3b2dabe9.

We forgot to update TSAN paths when moving all the unit tests to
/tests/.  Let's remove paths from find to make it less dependent on
exact location, and store all untracked files as we do in the normal
unit test template.

Related: !6243

.gitlab-ci.yml

@@ -333,12 +333,12 @@ stages:
   after_script:
     - cat bin/tests/system/test-suite.log
     - *find_python
-    - find bin -name 'tsan.*' -exec "$PYTHON" util/parse_tsan.py {} \;
+    - find -name 'tsan.*' -exec "$PYTHON" util/parse_tsan.py {} \;
     - >
       "$PYTHON" bin/tests/convert-trs-to-junit.py . > "$CI_PROJECT_DIR"/junit.xml
   artifacts:
-    expire_in: "1 day"
     untracked: true
+    expire_in: "1 day"
     when: always
     reports:
       junit: junit.xml
@@ -378,15 +378,12 @@ stages:
   <<: *unit_test_common
   after_script:
     - *find_python
-    - find lib -name 'tsan.*' -exec "$PYTHON" util/parse_tsan.py {} \;
+    - find -name 'tsan.*' -exec "$PYTHON" util/parse_tsan.py {} \;
     - >
       "$PYTHON" bin/tests/convert-trs-to-junit.py . > "$CI_PROJECT_DIR"/junit.xml
   artifacts:
+    untracked: true
     expire_in: "1 day"
-    paths:
-      - tests/*/tsan.*
-      - tsan/
-      - junit.xml
     when: always
     reports:
       junit: junit.xml