Update idna requirement from ^2.1 to >=2.1,<4.0

Updates the requirements on [idna](https://github.com/kjd/idna) to permit the latest version.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](https://github.com/kjd/idna/compare/v2.1...v3.2)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

diff --git a/pyproject.toml b/pyproject.toml
index d8a2887815569ddcf8969726ab8a140fcec0f252..cefe78b333322b537bb62be393b8a731293c99e4 100644 (file)
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ packages = [
 python = "^3.6"
 requests-toolbelt = {version="^0.9.1", optional=true}
 requests = {version="^2.23.0", optional=true}
-idna = {version="^2.1", optional=true}
+idna = {version=">=2.1,<4.0", optional=true}
 cryptography = {version=">=2.6,<4.0", optional=true}
 trio = {version=">=0.14,<0.20", optional=true}
 curio = {version="^1.2", optional=true}