#86 Migrate to PDM (5)

Remove unused dependencies
Make dev only dependency optional

pyproject.toml

@@ -9,27 +9,21 @@ authors = [
     { name = "Vyas Giridhard", email = "[email protected]" },
 ]
 dependencies = [
-    "requests>=2.31.0",
     "rich>=13.7.0",
     "click>=8.1.7",
     "filelock>=3.13.1",
-    "scipy>=1.11.4",
-    "compact-json>=1.6.1",
-    "jsonref>=1.1.0",
-    "pendulum>=2.1.2",
+    "scipy>=1.11.4",           # used for the interpolation in the export
     "pydantic>=2.5.3",
     "polars>=0.20.5",
     "tum-esm-utils>=1.8.0",
     "em27-metadata>=1.0.0rc6",
-    # the following dependencies are
-    # used by the Proffast Pylot only
-    "numpy>=1.26.3",
-    "tqdm>=4.66.1",
-    "pandas>=1.5.3",
-    "pytz>=2022.7.1",
-    "timezonefinder>=6.2.0",
-    "pyyaml>=6.0.1",
-    "fortranformat>=1.2.2",
+    "numpy>=1.26.3",           # used by the Proffast Pylot only
+    "tqdm>=4.66.1",            # used by the Proffast Pylot only
+    "pandas>=1.5.3",           # used by the Proffast Pylot only
+    "pytz>=2022.7.1",          # used by the Proffast Pylot only
+    "timezonefinder>=6.2.0",   # used by the Proffast Pylot only
+    "pyyaml>=6.0.1",           # used by the Proffast Pylot only
+    "fortranformat>=1.2.2",    # used by the Proffast Pylot only
 ]
 requires-python = "==3.11.*"
 readme = "README.md"
@@ -38,6 +32,8 @@ license = { text = "MIT" }
 
 [project.optional-dependencies]
 dev = [
+    "requests>=2.31.0",
+    "jsonref>=1.1.0",
     "pytest>=7.4.4",
     "types-requests>=2.31.0.20240106",
     "pytest-cov>=4.1.0",