Removed toml dependency (#183)

Removed the `toml` dependency since it's not really needed.

Updated other dependencies:
* polars: 1.33.1
* ruff: 0.12.12
* pytest: 8.4.2
* pytest-cov: 6.3.0

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: ctasada

Makefile

@@ -1,6 +1,11 @@
 # Makefile for Django project with Poetry, Docker, and Briefcase support
 # Use 'make help' to see all available targets
 
+# GNU Make check (fail early if not GNU Make)
+ifeq ($(origin MAKE_VERSION), undefined)
+$(error This Makefile requires GNU Make. Please install and use GNU Make.)
+endif
+
 # Shell configuration
 SHELL := /bin/bash
 .SHELLFLAGS := -eu -o pipefail -c
@@ -26,7 +31,10 @@ DEMO_MODE := $(if $(demo),true,false)
 OBFUSCATE_MODE := $(if $(obfuscate),$(obfuscate),true)
 
 # Export variables for child processes
-export DEBUG_MODE PROFILE_MODE DEMO_MODE OBFUSCATE_MODE
+export DEBUG_MODE
+export PROFILE_MODE
+export DEMO_MODE
+export OBFUSCATE_MODE
 
 # Color codes for output
 BOLD := \033[1m

THIRD_PARTY_LICENSES.txt

@@ -416,25 +416,22 @@ one at http://mozilla.org/MPL/2.0/.
 
 
 cffi
-1.17.1
-MIT License
+2.0.0
+UNKNOWN
 
 Except when otherwise stated (look for LICENSE files in directories or
 information at the beginning of each file) all software and
 documentation is licensed as follows:
 
-    The MIT License
+    MIT No Attribution
 
     Permission is hereby granted, free of charge, to any person
     obtaining a copy of this software and associated documentation
     files (the "Software"), to deal in the Software without
     restriction, including without limitation the rights to use,
     copy, modify, merge, publish, distribute, sublicense, and/or
     sell copies of the Software, and to permit persons to whom the
-    Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included
-    in all copies or substantial portions of the Software.
+    Software is furnished to do so.
 
     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -4172,7 +4169,7 @@ SOFTWARE.
 
 
 polars
-1.33.0
+1.33.1
 MIT License
 Copyright (c) 2025 Ritchie Vink
 Some portions Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
@@ -5423,37 +5420,6 @@ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
-toml
-0.10.2
-MIT License
-The MIT License
-
-Copyright 2013-2019 William Pearson
-Copyright 2015-2016 Julien Enselme
-Copyright 2016 Google Inc.
-Copyright 2017 Samuel Vasko
-Copyright 2017 Nate Prewitt
-Copyright 2017 Jack Evans
-Copyright 2019 Filippo Broggini
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
 travertino
 0.5.2
 UNKNOWN