Try bash manipulations

.gitea/workflows/zip.yaml

@@ -25,8 +25,11 @@ jobs:
       id: repo
       run: echo "::set-output name=repo::$(result=$(echo "basename ${{ gitea.repository }}"))"
 
+    - name: "Verify variable"
+      run: echo ${GITEA_REPOSITORY#*/}
+      
     - name: Zip repository
-      run: zip -r ${{ steps.repo.outputs.repo }}-${{ steps.date.outputs.date }}.zip . -x "*.git*"
+      run: zip -r ${GITEA_REPOSITORY#*/}-${{ steps.date.outputs.date }}.zip . -x "*.git*"
 
     - name: Release artifacts to Gitea repository
       uses: akkuman/gitea-release-action@v1
@@ -34,6 +37,6 @@ jobs:
         NODE_OPTIONS: '--experimental-fetch' # if nodejs < 18
       with:
         files: |-
-          ${{ steps.repo.outputs.repo }}-${{ inputs.version }}.zip
+          ${GITEA_REPOSITORY#*/}-${{ inputs.version }}.zip
         tag_name: ${{ inputs.version }}
         name: Release - ${{ inputs.version }}