[Aikido] Fix 4 security issues in api-service

[aikido-autofix]

Aikido updated the base image from python:3.7-slim to python:3.7-slim

The base image python:3.7-slim was pinned to the latest digest, resolving 1 high-severity and 3 medium-severity vulnerabilities in openssl.

✅ 4 CVEs resolved by this upgrade

This PR will resolve the following CVEs:

Issue	Severity	Description
CVE-2021-23840	HIGH	Integer overflow in EVP cipher functions causes output length argument to become negative, leading to application crashes or incorrect behavior when processing input lengths near the maximum integer value.
CVE-2021-3449	MEDIUM	An OpenSSL TLS server crashes due to a NULL pointer dereference when receiving a maliciously crafted renegotiation ClientHello message that omits the signature_algorithms extension but includes signature_algorithms_cert. This causes a denial of service attack on servers with TLSv1.2 and renegotiation enabled.
CVE-2021-23841	MEDIUM	X509_issuer_and_serial_hash() fails to handle errors when parsing maliciously constructed issuer fields in X509 certificates, causing a NULL pointer dereference and denial of service. The vulnerability only affects applications that directly call this function with untrusted certificates.
CVE-2020-1971	MEDIUM	A NULL pointer dereference in OpenSSL's GENERAL_NAME_cmp function when comparing EDIPartyName types causes a crash, enabling denial of service attacks. An attacker controlling both compared items (e.g., malicious certificate and CRL) can trigger the vulnerability during certificate validation or timestamp verification.

🔗 Related Tasks

• https://aikido-salesdemo.atlassian.net/browse/KAN-2052
• https://aikido-salesdemo.atlassian.net/browse/KAN-2173
• https://aikido-salesdemo.atlassian.net/browse/KAN-2582
• https://aikido-salesdemo.atlassian.net/browse/KAN-2611
• https://aikido-salesdemo.atlassian.net/browse/KAN-2711
• https://aikido-salesdemo.atlassian.net/browse/KAN-2751