chore: remove requirements.txt in favour of pyproject.toml (#18)

Author: mwbrooks

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -U pip
-          pip install -r requirements.txt
+          pip install -e ".[dev]"
       - name: Lint and check formatting
         run: |
           ruff check .
@@ -57,7 +57,6 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -U pip
-          pip install -r requirements.txt
           pip install ".[test]"
       - name: Run all tests
         run: |

openai-agents-sdk/README.md

@@ -138,7 +138,7 @@ source .venv/bin/activate  # for Windows OS, .\.venv\Scripts\Activate instead sh
 #### Install dependencies
 
 ```sh
-pip install -r requirements.txt
+pip install -e ".[dev]"
 ```
 
 ## Providers