Chore: Update project infrastructure

Use more recent versions of ruff and mypy.

pyproject.toml

@@ -23,10 +23,10 @@ requires-python = ">=3.8"
 license = { text = "LGPL 3, EUPL 1.2" }
 keywords = [
   "date",
-  "time",
+  "multi-language",
   "parsing",
+  "time",
   "utility",
-  "multi-language",
 ]
 authors = [
   {name = "Andreas Motl", email = "andreas.motl@panodata.org"},
@@ -72,10 +72,10 @@ dynamic = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy==1.9.0",
+  "mypy<1.10",
   "poethepoet<1",
   "pyproject-fmt<1.8",
-  "ruff==0.3.7",
+  "ruff<0.5",
   "validate-pyproject<0.17",
 ]
 release = [
@@ -146,7 +146,7 @@ warn_redundant_casts = true
 [tool.ruff]
 line-length = 120
 
-select = [
+lint.select = [
   # Bandit
   "S",
   # Bugbear
@@ -174,15 +174,15 @@ select = [
   "RET",
 ]
 
-ignore = [
+lint.ignore = [
   "RET505",  # Unnecessary `elif` after `return` statement
 ]
 
 extend-exclude = [
   "examples/*",
 ]
 
-[tool.ruff.per-file-ignores]
+[tool.ruff.lint.per-file-ignores]
 "tests/*" = ["S101"]  # Use of `assert` detected
 "aika/cli.py" = ["T201"]  # Allow `print`
 
@@ -199,11 +199,11 @@ format = [
   { cmd = "black ." },
   # Configure Ruff not to auto-fix (remove!):
   # unused imports (F401), unused variables (F841), `print` statements (T201), and commented-out code (ERA001).
-  { cmd = "ruff --fix --ignore=ERA --ignore=F401 --ignore=F841 --ignore=T20 --ignore=ERA001 ." },
-  { cmd = "pyproject-fmt pyproject.toml" },
+  { cmd = "ruff check --fix --ignore=ERA --ignore=F401 --ignore=F841 --ignore=T20 --ignore=ERA001 ." },
+  { cmd = "pyproject-fmt --keep-full-version pyproject.toml" },
 ]
 lint = [
-  { cmd = "ruff ." },
+  { cmd = "ruff check ." },
   { cmd = "black --check ." },
   { cmd = "validate-pyproject pyproject.toml" },
   { cmd = "mypy" },