fix: update environment variable names for Gitea package upload

.gitea/workflows/build.yaml

@@ -132,7 +132,7 @@ jobs:
       - name: Upload to Gitea Generic Packages
         shell: bash
         env:
-          GITEA_BASE_URL: ${{ vars.GITEA_BASE_URL }}
+          BASE_URL: ${{ vars.BASE_URL }}
           GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
         run: |
           set -e
@@ -147,8 +147,8 @@ jobs:
           PKG_VERSION="${VERSION}"
           BIN_NAME="${{ steps.pkg_meta.outputs.pkg_name }}"
 
-          if [ -z "${GITEA_BASE_URL:-}" ]; then
-            echo "Missing vars.GITEA_BASE_URL (example: https://gitea.example.com)"
+          if [ -z "${BASE_URL:-}" ]; then
+            echo "Missing vars.BASE_URL (example: https://gitea.example.com)"
             exit 1
           fi
           if [ -z "${GITEA_TOKEN:-}" ]; then
@@ -161,7 +161,7 @@ jobs:
 
           for FILE in dist/*; do
             FILENAME="$(basename "$FILE")"
-            URL="${GITEA_BASE_URL}/api/packages/${OWNER}/generic/${PACKAGE_NAME}/${PKG_VERSION}/${FILENAME}"
+            URL="${BASE_URL}/api/packages/${OWNER}/generic/${PACKAGE_NAME}/${PKG_VERSION}/${FILENAME}"
             echo "Uploading $FILENAME -> $URL"
             curl -fsS -X PUT \
               -H "Authorization: token ${GITEA_TOKEN}" \