build(deps): update packaging requirement from <25 to <26 (#55)

dependabot[bot] · web-flow · commit ac101d798508 · 2025-04-22T14:09:21.000Z
diff --git a/requirements.txt b/requirements.txt
@@ -1,2 +1,2 @@
 slack_bolt>=1.18.0,<2
-packaging<25
+packaging<26
