Activate PYI linting rule for improved type linting (streamlit#8872)

## Describe your changes

Activates `PYI` ruff rule for additional linting rules for python type
annotations.

## Testing Plan

-  No logical changes, no testing required. 

---

**Contribution License Agreement**

By submitting this pull request you agree that all contributions to this
project are made under the Apache 2.0 license.

.ruff.toml

@@ -34,6 +34,7 @@ select = [
   "ISC",    # Encourage correct string literal concatenation.
   "LOG",    # Checks for issues using the standard library logging module.
   "NPY",    # Linting rules for numpy
+  "PYI",    # Linting rules for type annotations.
   "Q",      # Linting rules for quites
   "RUF100", # Unused noqa directive
   "T20",    # Check for Print statements in python files.

e2e_playwright/shared/dataframe_utils.py

@@ -36,7 +36,7 @@
 def calc_middle_cell_position(
     row_pos: int,
     col_pos: int,
-    column_width: Literal["small"] | Literal["medium"] | Literal["large"] = "small",
+    column_width: Literal["small", "medium", "large"] = "small",
     has_row_marker_col: bool = False,
 ) -> tuple[int, int]:
     """Calculate the middle position of a cell in the dataframe.
@@ -90,7 +90,7 @@ def click_on_cell(
     dataframe_element: Locator,
     row_pos: int,
     col_pos: int,
-    column_width: Literal["small"] | Literal["medium"] | Literal["large"] = "small",
+    column_width: Literal["small", "medium", "large"] = "small",
     has_row_marker_col: bool = False,
     double_click: bool = False,
 ) -> None:
@@ -132,7 +132,7 @@ def click_on_cell(
 def select_row(
     dataframe_element: Locator,
     row_pos: int,
-    column_width: Literal["small"] | Literal["medium"] | Literal["large"] = "small",
+    column_width: Literal["small", "medium", "large"] = "small",
 ) -> None:
     """Select the specified row in the dataframe.
 
@@ -157,7 +157,7 @@ def select_row(
 def sort_column(
     dataframe_element: Locator,
     col_pos: int,
-    column_width: Literal["small"] | Literal["medium"] | Literal["large"] = "small",
+    column_width: Literal["small", "medium", "large"] = "small",
     has_row_marker_col: bool = False,
 ) -> None:
     """Sort the specified column in the dataframe.
@@ -191,7 +191,7 @@ def sort_column(
 def select_column(
     dataframe_element: Locator,
     col_pos: int,
-    column_width: Literal["small"] | Literal["medium"] | Literal["large"] = "small",
+    column_width: Literal["small", "medium", "large"] = "small",
     has_row_marker_col: bool = False,
 ) -> None:
     """Select the specified column in the dataframe.

e2e_playwright/st_write.py

@@ -13,9 +13,9 @@
 # limitations under the License.
 
 import io
-from collections import namedtuple
 from dataclasses import dataclass
 from datetime import datetime
+from typing import NamedTuple
 
 import altair as alt
 import graphviz
@@ -113,7 +113,12 @@ def stream_text():
 st.write(st.experimental_user)
 st.write(st.query_params)
 
-Point = namedtuple("Point", ["x", "y"])
+
+class Point(NamedTuple):
+    x: int
+    y: int
+
+
 st.write(Point(1, 2))
 
 st.subheader("st.write(help)")