Updating quick-tour notebooks (#411)

## Problem

I want to update notebooks in the `docs/quick-tour` directory to stop
using the deprecated `pinecone-client`

## Solution

Replace `pinecone-client` with `pinecone`. Update usage. Verify the
notebooks run.

Author: jhamon

.github/actions/run-notebook/convert-notebook.py

@@ -72,13 +72,17 @@
 for cell in nb.cells:
     if cell.cell_type == "code":
         if "pip" not in cell.source:
-            executable_cells.append(cell)
+            #  Remove any lines that start with "!" or "%"
+            #  These are "magic" commands such as "%matplotlib inline" that 
+            #  are not executable outside of a notebook environment.
+            executable = "\n".join([line for line in cell.source.split("\n") if not line.strip().startswith("!") and not line.strip().startswith("%")])
+            executable_cells.append(executable)
 
 # Save executable cells to a notebook.py file
 script_path = os.path.join(temp_dir, 'notebook.py')
 with open(script_path, 'w', encoding="utf-8") as f:
     for cell in executable_cells:
-        f.write(cell.source + '\n')
+        f.write(cell + '\n')
 
 print(f"Script saved to {script_path}")