fix: update API image tag to match CI build (sha-750a270)

Chart was referencing sha-a0efe7604 which is the commit BEFORE the image
was actually built. Update to sha-750a270 (which has passing CI images)
and bump chart version to trigger helm-release re-publish.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

charts/hightower/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: hightower
 description: API-driven AI pentester built on Shannon, deployed as a service on Kubernetes
 type: application
-version: 0.1.0
+version: 0.1.1
 appVersion: "1.0.0"

charts/hightower/values.yaml

@@ -19,7 +19,7 @@ api:
   replicaCount: 1
   image:
     repository: ghcr.io/farhoodlabs/trebuchet-api
-    tag: sha-a0efe7604ebc2f27cc37ee88f117ae619e57003f
+    tag: sha-750a2705e9d3188c9bb44f85473ac0e3806e7de2
     pullPolicy: Always
   port: 3000
   workerImage: ghcr.io/farhoodlabs/shannon:latest