Adds code to encrypt sensitive values in database to improve security, #PG-5235

[AltamashShaikh]

Description

Adds code to encrypt sensitive values in database to improve security

Issue No

#PG-5235

Steps to Replicate the Issue

1. Ensure slack schedule report is setup
2. checkout this PR
3. Run core:update
4. This will encrypt the setting values and running schedule report should send the report too

Checklist

• [✔] Tested locally or on demo2/demo3?
• [✔] New test case added/updated?
• [✔] Are all newly added texts included via translation?
• [NA] Are text sanitized properly? (Eg use of v-text v/s v-html for vue)
• [✔] Version bumped?
• [✔] I have understood, reviewed, and tested all AI outputs before use
• [✔] All AI instructions respect security, IP, and privacy rules
• [NA] Documentation updated?

[snake14]

Looks good. 👍

I ran the migration locally and confirmed that the token is now encrypted in my DB. AI complained that there wasn't a system test covering the migration script, so not a big deal.