fix: update Gitea token environment variable for package upload

.gitea/workflows/build.yaml

@@ -133,7 +133,7 @@ jobs:
         shell: bash
         env:
           BASE_URL: ${{ vars.BASE_URL }}
-          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          GITEA: ${{ secrets.GITEA }}
         run: |
           set -e
           FULL="${GITHUB_REPOSITORY:-}"
@@ -151,8 +151,8 @@ jobs:
             echo "Missing vars.BASE_URL (example: https://gitea.example.com)"
             exit 1
           fi
-          if [ -z "${GITEA_TOKEN:-}" ]; then
-            echo "Missing secrets.GITEA_TOKEN"
+          if [ -z "${GITEA:-}" ]; then
+            echo "Missing secrets.GITEA"
             exit 1
           fi
 
@@ -164,7 +164,7 @@ jobs:
             URL="${BASE_URL}/api/packages/${OWNER}/generic/${PACKAGE_NAME}/${PKG_VERSION}/${FILENAME}"
             echo "Uploading $FILENAME -> $URL"
             curl -fsS -X PUT \
-              -H "Authorization: token ${GITEA_TOKEN}" \
+              -H "Authorization: token ${GITEA}" \
               --upload-file "$FILE" \
               "$URL"
           done