MAINT/BENCH: Configure benchmark to work with conda

* Update license type to point at file
* Use correct format for project.authors field
* Use correct format for project.maintainers field
* Benchmark HEAD by default, not main branch

Author: Kai-Striega

asv.conf.json

@@ -39,7 +39,7 @@
 
     // List of branches to benchmark. If not provided, defaults to "master"
     // (for git) or "default" (for mercurial).
-     "branches": ["main"],
+     "branches": ["HEAD"],
 
     // The DVCS being used.  If not set, it will be automatically
     // determined from "repo" by looking at the protocol in the URL

pyproject.toml

@@ -11,9 +11,9 @@ name = "numpy-financial"
 version = "2.0.0"
 requires-python = ">=3.10"
 description = "Simple financial functions"
-license = "BSD-3-Clause"
-authors = ["Travis E. Oliphant et al."]
-maintainers = ["Numpy Financial Developers <numpy-discussion@python.org>"]
+license = {file = "LICENSE.txt"}
+authors = [{name = "Travis E. Oliphant et al."}]
+maintainers = [{ name = "Numpy Financial Developers", email = "numpy-discussion@python.org" }]
 readme = "README.md"
 homepage = "https://numpy.org/numpy-financial/latest/"
 repository = "https://github.com/numpy/numpy-financial"