build(pyproject.toml): fix license metadata

Author: Lee-W

pyproject.toml

@@ -7,7 +7,7 @@ maintainers = [
     { name = "Wei Lee", email = "weilee.rx@gmail.com" },
     { name = "Axel H.", email = "noirbizarre@gmail.com" },
 ]
-license = { text = "LICENSE" }
+license = { file = "LICENSE" }
 readme = "docs/README.md"
 requires-python = ">=3.9,<4.0"
 dependencies = [
@@ -42,6 +42,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
+    "License :: OSI Approved :: MIT License",
 ]
 
 [project.urls]
@@ -249,12 +250,7 @@ cover.help = "Run the test suite with coverage"
 cover.ref = "test --cov-report term-missing --cov-report=xml:coverage.xml --cov=commitizen"
 
 all.help = "Run all tasks"
-all.sequence = [
-    "format",
-    "lint",
-    "cover",
-    "check-commit",
-]
+all.sequence = ["format", "lint", "cover", "check-commit"]
 
 "doc:screenshots".help = "Render documentation screeenshots"
 "doc:screenshots".script = "scripts.gen_cli_help_screenshots:gen_cli_help_screenshots"
@@ -266,10 +262,7 @@ doc.help = "Live documentation server"
 doc.cmd = "mkdocs serve"
 
 ci.help = "Run all tasks in CI"
-ci.sequence = [
-    { cmd = "pre-commit run --all-files" },
-    "cover",
-]
+ci.sequence = [{ cmd = "pre-commit run --all-files" }, "cover"]
 ci.env = { SKIP = "no-commit-to-branch" }
 
 setup-pre-commit.help = "Install pre-commit hooks"