fix: Install boto3 CRT extra feature always (aws-deadline#328)

Signed-off-by: Stephen Crowe <crowest@amazon.com>

pyproject.toml

@@ -35,9 +35,7 @@ classifiers = [
 # Applications that consume this library should be the ones that are more strictly
 # limiting dependencies if they want/need to.
 dependencies = [
-    # See CR platform and Python version support here: https://pypi.org/project/awscrt/#files
-    "boto3[crt] >= 1.34.75; python_version >= '3.7' and python_version <= '3.11'",
-    "boto3 >= 1.34.75; python_version < '3.7' or python_version > '3.11'",
+    "boto3[crt] >= 1.34.75",
     "click >= 8.1.7",
     "pyyaml >= 6.0",
     # Job Attachments