[ENH] annotations for migration jobs (#2116)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
- Allow Helm chart consumers to specify annotations for the migration
jobs.

## Test plan
*How are these changes tested?*

- [ ] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Documentation Changes
*Are all docstrings for user-facing APIs updated if required? Do we need
to make documentation changes in the [docs
repository](https://github.com/chroma-core/docs)?*

k8s/distributed-chroma/templates/log-migration.yaml

@@ -8,6 +8,10 @@ spec:
     metadata:
       labels:
         app: logservice-migration
+      annotations:
+      {{ range .Values.sysdbMigration.annotations }}
+        {{ .name }}: {{ .value }}
+      {{ end }}
     spec:
       restartPolicy: OnFailure
       containers:

k8s/distributed-chroma/templates/sysdb-migration.yaml

@@ -8,6 +8,10 @@ spec:
     metadata:
       labels:
         app: sysdb-migration
+      annotations:
+      {{ range .Values.sysdbMigration.annotations }}
+        {{ .name }}: {{ .value }}
+      {{ end }}
     spec:
       restartPolicy: OnFailure
       containers: