fix: possible fix for cosign error (#20)

* fix: possible fix for cosign error

* refractor: change docker package name

Author: fabio-nettis

.github/workflows/docker-publish.yml

@@ -9,7 +9,7 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: hellhub-collective/helldivers2-api
 
 jobs:
   docker-build:
@@ -25,9 +25,9 @@ jobs:
 
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.1.1
+        uses: sigstore/cosign-installer@v3.3.0
         with:
-          cosign-release: "v2.1.1"
+          cosign-release: "v2.2.2"
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0