fix: update PATH environment variable for UV installation in workflow scripts

Author: tae898

.github/workflows/test-python-bindings.yml

@@ -154,7 +154,7 @@ jobs:
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
           echo "$HOME/.local/bin" >> "$GITHUB_PATH"
-          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+          export PATH="$HOME/.local/bin:$PATH"
           uv --version
 
       - name: Download ArcadeDB JARs artifact

.github/workflows/test-python-examples.yml

@@ -180,6 +180,7 @@ jobs:
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
           echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+          export PATH="$HOME/.local/bin:$PATH"
           uv --version
 
       - name: Install Python build dependencies