packaging!: Remove unused dependencies pendulum and `python-dateuti…

…l` (#2520)

refactor: Remove deprecated dependencies

* pendulum
* python-dateutil

pyproject.toml

@@ -50,8 +50,6 @@ joblib = ">=1.3.0"
 jsonpath-ng = ">=1.5.3"
 jsonschema = ">=4.16.0"
 packaging = ">=23.1"
-pendulum = ">=2.1.0,<4"
-python-dateutil = ">=2.8.2"
 python-dotenv = ">=0.20"
 PyYAML = ">=6.0"
 referencing = ">=0.30.0"
@@ -136,7 +134,6 @@ xdoctest = ">=1.1.1"
 [tool.poetry.group.typing.dependencies]
 mypy = ">=1.9"
 types-jsonschema = ">=4.17.0.6"
-types-python-dateutil = ">=2.8.19"
 types-pytz = ">=2022.7.1.2"
 types-requests = ">=2.28.11"
 types-simplejson = ">=3.18.0"
@@ -239,9 +236,6 @@ types-requests = "requests"
 
 [tool.deptry.per_rule_ignores]
 DEP002 = [
-    # Deprecated dependencies
-    "pendulum",
-    "python-dateutil",
     # Transitive constraints
     "numpy",
     "urllib3",
@@ -409,9 +403,6 @@ typing = "t"
 fixture-parentheses = false
 parametrize-names-type = "csv"
 
-[tool.ruff.lint.flake8-tidy-imports.banned-api]
-"pendulum".msg = "BAN002: pendulum is banned"
-
 [tool.ruff.lint.isort]
 known-first-party = ["singer_sdk", "samples", "tests"]
 required-imports = ["from __future__ import annotations"]