upgrade version

Signed-off-by: Maia Iyer <maia.raj.iyer@gmail.com>

Author: maia-iyer

mcp/slack_tool/pyproject.toml

@@ -6,7 +6,7 @@ readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
     "httpx>=0.28.1",
-    "fastmcp>=2.0.0",
+    "fastmcp>=2.12.1",
     "requests>=2.32.3",
     "slack_sdk>=3.36.0",
 ]