Ensure that provided MySQL and Redis passwords are URL-Safe (#664)

* Ensure that provided MySQL and Redis passwords are URL-Safe

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

app/settings.py

@@ -2,6 +2,7 @@
 
 import os
 import tomllib
+from urllib.parse import quote
 
 from dotenv import load_dotenv
 
@@ -16,14 +17,14 @@
 DB_HOST = os.environ["DB_HOST"]
 DB_PORT = int(os.environ["DB_PORT"])
 DB_USER = os.environ["DB_USER"]
-DB_PASS = os.environ["DB_PASS"]
+DB_PASS = quote(os.environ["DB_PASS"])
 DB_NAME = os.environ["DB_NAME"]
 DB_DSN = f"mysql://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
 
 REDIS_HOST = os.environ["REDIS_HOST"]
 REDIS_PORT = int(os.environ["REDIS_PORT"])
 REDIS_USER = os.environ["REDIS_USER"]
-REDIS_PASS = os.environ["REDIS_PASS"]
+REDIS_PASS = quote(os.environ["REDIS_PASS"])
 REDIS_DB = int(os.environ["REDIS_DB"])
 
 REDIS_AUTH_STRING = f"{REDIS_USER}:{REDIS_PASS}@" if REDIS_USER and REDIS_PASS else ""