Update Starlette dependency to >=0.49.1

Updates the Starlette dependency constraint from >=0.27 to >=0.49.1
across the main project and example servers to address security
vulnerabilities in earlier versions.

Author: ColeMurray

examples/servers/simple-streamablehttp-stateless/pyproject.toml

@@ -7,7 +7,7 @@ requires-python = ">=3.10"
 authors = [{ name = "Anthropic, PBC." }]
 keywords = ["mcp", "llm", "automation", "web", "fetch", "http", "streamable", "stateless"]
 license = { text = "MIT" }
-dependencies = ["anyio>=4.5", "click>=8.2.0", "httpx>=0.27", "mcp", "starlette", "uvicorn"]
+dependencies = ["anyio>=4.5", "click>=8.2.0", "httpx>=0.27", "mcp", "starlette>=0.49.1", "uvicorn"]
 
 [project.scripts]
 mcp-simple-streamablehttp-stateless = "mcp_simple_streamablehttp_stateless.server:main"

examples/servers/simple-streamablehttp/pyproject.toml

@@ -7,7 +7,7 @@ requires-python = ">=3.10"
 authors = [{ name = "Anthropic, PBC." }]
 keywords = ["mcp", "llm", "automation", "web", "fetch", "http", "streamable"]
 license = { text = "MIT" }
-dependencies = ["anyio>=4.5", "click>=8.2.0", "httpx>=0.27", "mcp", "starlette", "uvicorn"]
+dependencies = ["anyio>=4.5", "click>=8.2.0", "httpx>=0.27", "mcp", "starlette>=0.49.1", "uvicorn"]
 
 [project.scripts]
 mcp-simple-streamablehttp = "mcp_simple_streamablehttp.server:main"

pyproject.toml

@@ -26,7 +26,7 @@ dependencies = [
     "httpx>=0.27.1",
     "httpx-sse>=0.4",
     "pydantic>=2.11.0,<3.0.0",
-    "starlette>=0.27",
+    "starlette>=0.49.1",
     "python-multipart>=0.0.9",
     "sse-starlette>=1.6.1",
     "pydantic-settings>=2.5.2",