Adapt workflow to glitch-soc

.github/workflows/build-security.yml

@@ -7,7 +7,6 @@ permissions:
 jobs:
   compute-suffix:
     runs-on: ubuntu-latest
-    if: github.repository == 'mastodon/mastodon'
     steps:
       - id: version_vars
         env:
@@ -26,8 +25,7 @@ jobs:
       use_native_arm64_builder: true
       cache: false
       push_to_images: |
-        tootsuite/mastodon
-        ghcr.io/mastodon/mastodon
+        ghcr.io/${{ github.repository_owner }}/mastodon
       version_prerelease: ${{ needs.compute-suffix.outputs.prerelease }}
       labels: |
         org.opencontainers.image.description=Nightly build image used for testing purposes
@@ -45,11 +43,10 @@ jobs:
     with:
       file_to_build: streaming/Dockerfile
       platforms: linux/amd64,linux/arm64
-      use_native_arm64_builder: true
+      use_native_arm64_builder: false
       cache: false
       push_to_images: |
-        tootsuite/mastodon-streaming
-        ghcr.io/mastodon/mastodon-streaming
+        ghcr.io/${{ github.repository_owner }}/mastodon
       version_prerelease: ${{ needs.compute-suffix.outputs.prerelease }}
       labels: |
         org.opencontainers.image.description=Nightly build image used for testing purposes