fix: Update CI workflow to correctly set version output for Docker tagging in test build job

Author: madMathematician971

.github/workflows/ci-build.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Extract version
         id: extract_version
         run: |
-          echo "VERSION=$(poetry version -s)" >> $GITHUB_ENV
+          echo "VERSION=$(uv run poetry version -s)" >> $GITHUB_OUTPUT
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -53,7 +53,7 @@ jobs:
           target: fastmcp
           push: false
           tags: |
-            madmathematician971/mcp-it-tools:${{ env.VERSION }}
+            madmathematician971/mcp-it-tools:${{ steps.extract_version.outputs.VERSION }}
             madmathematician971/mcp-it-tools:latest
           load: true
           cache-from: type=gha