Update awscrt requirement from <=0.16.16,>=0.16.4 to >=0.16.4,<=0.19.7

Updates the requirements on [awscrt](https://github.com/awslabs/aws-crt-python) to permit the latest version.
- [Release notes](https://github.com/awslabs/aws-crt-python/releases)
- [Commits](awslabs/aws-crt-python@v0.16.4...v0.19.7)

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

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
     "ruamel.yaml.clib>=0.2.0,<=0.2.7",
     "prompt-toolkit>=3.0.24,<3.0.39",
     "distro>=1.5.0,<1.9.0",
-    "awscrt>=0.16.4,<=0.16.16",
+    "awscrt>=0.16.4,<=0.19.7",
     "python-dateutil>=2.1,<3.0.0",
     "jmespath>=0.7.1,<1.1.0",
     "urllib3>=1.25.4,<1.27",