build(deltachat-rpc-client): add classifiers for all supported Python versions

Author: link2xt

deltachat-rpc-client/pyproject.toml

@@ -13,10 +13,13 @@ classifiers = [
     "Operating System :: POSIX :: Linux",
     "Operating System :: MacOS :: MacOS X",
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Communications :: Chat",
     "Topic :: Communications :: Email"
 ]