Avoid forcing installation of both httpx and requests

README.md

@@ -26,7 +26,7 @@ Supports both [`requests`](https://docs.python-requests.org/en/latest/index.html
 Install from PyPI:
 
 ```sh
-pip install retryhttp  # Supports both HTTPX and requests
+pip install retryhttp[all]  # Supports both HTTPX and requests
 ```
 
 You can also install support for only HTTPX or requests, if you would rather not install unnecessary dependencies:

noxfile.py

@@ -3,5 +3,5 @@
 
 @nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12"], tags=["test"])
 def test(session: nox.Session) -> None:
-    session.install(".", ".[dev]")
+    session.install(".[all,dev]")
     session.run("pytest", "-n", "4")

pyproject.toml

@@ -28,23 +28,23 @@ classifiers = [
     "Topic :: Utilities",
 ]
 dependencies = [
-    "httpx",
     "pydantic",
-    "requests",
-    "types-requests",
     "tenacity"
 ]
 
 
 [project.optional-dependencies]
 httpx = [
   "httpx",
-  "tenacity",
 ]
 requests = [
   "requests",
   "types-requests",
-  "tenacity",
+]
+all = [
+  "httpx",
+  "requests",
+  "types-requests",
 ]
 dev = [
   "pytest",