Replace security self-assesment with one from cncf/tag-security (jaegertracing#5142)

## Description of the changes
Big thank you to the security pals team on the self-assessment work they
did with the help of the NYU students. The discussion happened in
cncf/tag-security#1198

## How was this change tested?
No need to test, just updating URL.

## Checklist
- [X] I have read
https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
- [X] I have signed all commits

---------

Signed-off-by: Jonah Kowall <[email protected]>

Author: jkowall

SECURITY-INSIGHTS.yml

@@ -32,7 +32,7 @@ security-artifacts:
   self-assessment:
     self-assessment-created: true
     evidence-url:
-    - https://github.com/jaegertracing/jaeger/blob/main/SELF-ASSESMENT.md
+    - https://github.com/cncf/tag-security/blob/main/assessments/projects/jaeger/self-assessment.md
 security-testing:
 - tool-type: sca
   tool-name: Dependabot
@@ -63,4 +63,4 @@ dependencies:
   dependencies-lifecycle:
     policy-url: https://github.com/jaegertracing/jaeger/blob/main/SECURITY.md#security-patch-policy
   env-dependencies-policy:
-    policy-url: https://github.com/jaegertracing/jaeger/blob/main/SECURITY.md#dependency-policy
+    policy-url: https://github.com/jaegertracing/jaeger/blob/main/SECURITY.md#dependency-policy