Update textualize dependency spec

Use the lowest version of textualize for which the prefixed action
bindings are compatible, while also bumping the version of textual in
poetry.lock to the latest release.

Author: daneah

poetry.lock

@@ -28,15 +28,15 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.8"
-textual = ">=0.54.0"
+textual = ">=0.61.0"
 click = ">=8.0.0"
 
 
 [tool.poetry.group.dev.dependencies]
 mypy = "^1.2.0"
 black = "^23.3.0"
 pytest = "^7.3.1"
-textual = ">=0.54.0"
+textual = ">=0.61.0"
 
 [build-system]
 requires = ["poetry-core"]