chore(deps): update dependency backports.functools_lru_cache to v1.6.5 (#134)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

setup.py

@@ -12,7 +12,7 @@
 _install_requires = [
     'deepmerge==1.1.0',
     'lru_cache==0.2.3',
-    'backports.functools_lru_cache==1.6.4',
+    'backports.functools_lru_cache==1.6.5',
     'pathlib2==2.3.7.post1',
     'pyyaml==6.0',
     'boto3==1.26.163',