fix(deps): Update dependency pytz to v2023.3.post1 (#119)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [pytz](http://pythonhosted.org/pytz) | patch | `==2023.3` -> `==2023.3.post1` |

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aws/cost/postgresql/requirements.txt

@@ -13,7 +13,7 @@ pycryptodomex==3.18.0
 PyJWT==2.8.0
 pyOpenSSL==23.2.0
 python-dotenv==1.0.0
-pytz==2023.3
+pytz==2023.3.post1
 requests==2.31.0
 sortedcontainers==2.4.0
 typing_extensions==4.7.1

aws/foundational_security/snowflake/requirements.txt

@@ -12,7 +12,7 @@ pycryptodomex==3.18.0
 PyJWT==2.8.0
 pyOpenSSL==23.2.0
 python-dotenv==1.0.0
-pytz==2023.3
+pytz==2023.3.post1
 requests==2.31.0
 snowflake-connector-python==3.1.1
 sortedcontainers==2.4.0