fix: show pytest 9 examples too

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

Author: henryiii

src/sp_repo_review/checks/pyproject.py

@@ -214,7 +214,12 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         support native configuration and toml config files).
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
+        minversion = "6"
+
+        # pytest 9
+        [tool.pytest]
         minversion = "9"
         ```
         """
@@ -238,8 +243,13 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         The `testpaths` setting should be set to a reasonable default.
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
         testpaths = ["tests"]
+
+        # pytest 9+
+        [tool.pytest]
+        testpaths = ["tests"]
         ```
         """
         _, options = pytest
@@ -259,8 +269,13 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         failures.
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
         log_level = "INFO"
+
+        # pytest 9+
+        [tool.pytest]
+        log_level = "INFO"
         ```
         """
         _, options = pytest
@@ -307,8 +322,13 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         config setting is misspelled.
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
         addopts = ["-ra", "--strict-config", "--strict-markers"]
+
+        # pytest 9+
+        [tool.pytest]
+        strict = true
         ```
         """
         _, options = pytest
@@ -333,8 +353,13 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         be specified in config, avoiding misspellings.
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
         addopts = ["-ra", "--strict-config", "--strict-markers"]
+
+        # pytest 9+
+        [tool.pytest]
+        strict = true
         ```
         """
         _, options = pytest
@@ -358,8 +383,13 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         (print summary of all fails/errors).
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
         addopts = ["-ra", "--strict-config", "--strict-markers"]
+
+        # pytest 9+
+        [tool.pytest]
+        addopts = ["-ra"]
         ```
         """
         loc, options = pytest
@@ -382,8 +412,13 @@ def check(pytest: tuple[PytestFile, dict[str, Any]]) -> bool:
         will hide important warnings otherwise, like deprecations.
 
         ```toml
+        # Old pytest
         [tool.pytest.ini_options]
         filterwarnings = ["error"]
+
+        # pytest 9+
+        [tool.pytest]
+        filterwarnings = ["error"]
         ```
         """
         _, options = pytest