add comparison output, refactor main, bump python version

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

pyproject.toml

@@ -12,7 +12,7 @@ readme = "README.md"
 packages = [{ include = "flupdt" }]
 
 [tool.poetry.dependencies]
-python = "^3.11"
+python = "^3.12"
 sqlalchemy = "^2.0.31"
 
 [tool.poetry.scripts]
@@ -20,7 +20,7 @@ flupdt = "flupdt.main:main"
 flake-update-diff = "flupdt.main:main"
 
 [tool.poetry.group.dev.dependencies]
-ruff = "0.5.1"
+ruff = "0.8.6"
 
 
 [build-system]
@@ -32,13 +32,11 @@ build-backend = "poetry.core.masonry.api"
 line-length = 100
 indent-width = 4
 
-target-version = "py39"
+target-version = "py312"
 
 [tool.ruff.lint]
 select = ["ALL"]
 ignore = [
-    "ANN101", # (perm) this rule is deprecated
-    "ANN102", # (perm) this rule is deprecated
     "G004",   # (perm) this is a performance nit
     "COM812",  # https://docs.astral.sh/ruff/rules/missing-trailing-comma/
     "ISC001",  # https://docs.astral.sh/ruff/rules/single-line-implicit-string-concatenation/