fix(ci): remove pytest-timeout, use per-file timeout only

fix(ci): write a new cache for test durations every time
change(ci): rip out error 4 retries because we found the real bug

uv.lock

@@ -1461,7 +1461,6 @@ dev = [
     { name = "mcp" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
-    { name = "pytest-timeout" },
     { name = "ruff" },
     { name = "setuptools" },
     { name = "starlette" },
@@ -1663,7 +1662,6 @@ requires-dist = [
     { name = "pyjwt", extras = ["crypto"], specifier = "==2.13.0" },
     { name = "pytest", marker = "extra == 'dev'", specifier = "==9.0.2" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = "==1.3.0" },
-    { name = "pytest-timeout", marker = "extra == 'dev'", specifier = "==2.4.0" },
     { name = "python-dotenv", specifier = "==1.2.2" },
     { name = "python-telegram-bot", extras = ["webhooks"], marker = "extra == 'messaging'", specifier = "==22.6" },
     { name = "python-telegram-bot", extras = ["webhooks"], marker = "extra == 'termux'", specifier = "==22.6" },
@@ -3175,18 +3173,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e5/35/f8b19922b6a25bc0880171a2f1a003eaeb93657475193ab516fd87cac9da/pytest_asyncio-1.3.0-py3-none-any.whl", hash = "sha256:611e26147c7f77640e6d0a92a38ed17c3e9848063698d5c93d5aa7aa11cebff5", size = 15075, upload-time = "2025-11-10T16:07:45.537Z" },
 ]
 
-[[package]]
-name = "pytest-timeout"
-version = "2.4.0"
-source = { registry = "https://pypi.org/simple" }
-dependencies = [
-    { name = "pytest" },
-]
-sdist = { url = "https://files.pythonhosted.org/packages/ac/82/4c9ecabab13363e72d880f2fb504c5f750433b2b6f16e99f4ec21ada284c/pytest_timeout-2.4.0.tar.gz", hash = "sha256:7e68e90b01f9eff71332b25001f85c75495fc4e3a836701876183c4bcfd0540a", size = 17973, upload-time = "2025-05-05T19:44:34.99Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/fa/b6/3127540ecdf1464a00e5a01ee60a1b09175f6913f0644ac748494d9c4b21/pytest_timeout-2.4.0-py3-none-any.whl", hash = "sha256:c42667e5cdadb151aeb5b26d114aff6bdf5a907f176a007a30b940d3d865b5c2", size = 14382, upload-time = "2025-05-05T19:44:33.502Z" },
-]
-
 [[package]]
 name = "python-dateutil"
 version = "2.9.0.post0"