fix(ci): move RPM_REPO_HOST to job-level env, remove step duplication

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/build-release.yml

@@ -115,6 +115,8 @@ jobs:
   publish:
     needs: package
     runs-on: fedora-43
+    env:
+      RPM_REPO_HOST: oolon.kosherinata.internal
     strategy:
       fail-fast: false
       matrix:
@@ -165,8 +167,6 @@ jobs:
       - name: Test SSH connectivity
         run: |
           ssh -o StrictHostKeyChecking=accept-new "gitea_ci@${RPM_REPO_HOST}" exit
-        env:
-          RPM_REPO_HOST: oolon.kosherinata.internal
 
       - name: Sync RPMs to repo
         run: |
@@ -176,12 +176,8 @@ jobs:
             --chmod D755,F644 \
             rpms/*.rpm \
             "gitea_ci@${RPM_REPO_HOST}:/var/www/rpm/fedora/${{ matrix.fedora_version }}/x86_64/"
-        env:
-          RPM_REPO_HOST: oolon.kosherinata.internal
 
       - name: Update repo metadata
         run: |
           ssh "gitea_ci@${RPM_REPO_HOST}" \
             "cd /var/www/rpm/fedora/${{ matrix.fedora_version }}/x86_64 && createrepo_c --update ."
-        env:
-          RPM_REPO_HOST: oolon.kosherinata.internal