chore(deps): update dependency black to v26

renovate[bot] · web-flow · commit be3cc9a6395f · 2026-03-27T02:41:12.000Z
diff --git a/requirements_test.txt b/requirements_test.txt
@@ -1,4 +1,4 @@
-black==23.12.1
+black==26.3.1
 httpx==0.24.0
 pylint==2.17.7
 pytest==7.3.1
