fix: update ArtifactHub archive URL from GitHub to Gitea

The archive-url and checksum pointed to a non-existent GitHub release.
ArtifactHub now serves the Gitea-hosted tarball (git.farh.net) which
correctly resolves and contains the expected plugin structure.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

artifacthub-pkg.yml

@@ -10,7 +10,7 @@ description: >-
   Requires a Role granting `get` on `services/proxy` for the
   `polaris-dashboard` service in the `polaris` namespace.
 license: Apache-2.0
-homeURL: "https://github.com/privilegedescalation/headlamp-polaris-plugin"
+homeURL: "https://git.farh.net/privilegedescalation/headlamp-polaris-plugin"
 appVersion: "10.1.6"
 category: security
 keywords:
@@ -22,7 +22,7 @@ keywords:
   - kubernetes
 links:
   - name: Source
-    url: "https://github.com/privilegedescalation/headlamp-polaris-plugin"
+    url: "https://git.farh.net/privilegedescalation/headlamp-polaris-plugin"
   - name: Polaris
     url: "https://polaris.docs.fairwinds.com/"
 install: |
@@ -70,7 +70,7 @@ maintainers:
   - name: privilegedescalation
     email: "chris@farhood.org"
 annotations:
-  headlamp/plugin/archive-url: "https://github.com/privilegedescalation/headlamp-polaris-plugin/releases/download/v1.0.0/headlamp-polaris-1.0.0.tar.gz"
+  headlamp/plugin/archive-url: "https://git.farh.net/privilegedescalation/headlamp-polaris-plugin/releases/download/v1.0.0/headlamp-polaris-1.0.0.tar.gz"
   headlamp/plugin/version-compat: ">=0.26"
   headlamp/plugin/archive-checksum: sha256:a165e871b40f11a44950aa9f10eb7f7883276f749026ae7a4f886278ecd9bd7d
   headlamp/plugin/distro-compat: "in-cluster,web,desktop"