chore: use GITHUB_REPOSITORY env for Docker images and OCI label

- Removed hardcoded owner/name from release.github – not needed when using GITHUB_TOKEN.
- Replaced explicit repo strings with {{ .Env.GITHUB_REPOSITORY }} for Docker image names and the org.opencontainers.image.source label.
- Makes the config reusable across forks – no manual edits required when moving the project.

.goreleaser.yaml

@@ -145,9 +145,6 @@ changelog:
       - 'Merge branch'
 
 release:
-  github:
-    owner: samosvalishe
-    name: free-turn-proxy
   prerelease: auto
   mode: replace
   draft: false
@@ -159,7 +156,7 @@ dockers_v2:
       - server
     dockerfile: Dockerfile.goreleaser
     images:
-      - ghcr.io/samosvalishe/free-turn-proxy
+      - "ghcr.io/samosvalishe/{{ .Env.GITHUB_REPOSITORY }}"
     tags:
       - "{{ .Version }}"
       - '{{ if not .Prerelease }}latest{{ end }}'
@@ -167,7 +164,7 @@ dockers_v2:
       - linux/amd64
       - linux/arm64
     labels:
-      org.opencontainers.image.source: https://github.com/samosvalishe/free-turn-proxy
+      org.opencontainers.image.source: "https://github.com/samosvalishe/{{ .Env.GITHUB_REPOSITORY }}"
       org.opencontainers.image.version: "{{ .Version }}"
       org.opencontainers.image.revision: "{{ .FullCommit }}"
       org.opencontainers.image.created: "{{ .Date }}"