build: remove write_text for 3.9 compat

Author: backwardspy

build.py

@@ -73,7 +73,8 @@ def codegen() -> str:
 if __name__ == "__main__":
     print("running codegen")
     palette_path = Path.cwd() / "catppuccin" / "palette.py"
-    palette_path.write_text(codegen(), newline="\n")
+    with palette_path.open("w", newline="\n") as f:
+        f.write(codegen())
     print("formatting with ruff")
     ruff_format = f"ruff format {palette_path}"
     subprocess.run(ruff_format.split(), check=True, stdout=subprocess.DEVNULL)
@@ -97,7 +98,9 @@ def codegen() -> str:
                 f"<{color}>",
                 palette["colors"][color]["hex"].replace("#", ""),
             )
-        (CATPPUCCIN_STYLE_DIRECTORY / f"{key}.mplstyle").write_text(text, newline="\n")
+        style_path = CATPPUCCIN_STYLE_DIRECTORY / f"{key}.mplstyle"
+        with style_path.open("w", newline="\n") as f:
+            f.write(text)
     print("matplotlib styles generation complete")
 
     # Generate matplotlib assets for the docs