quick fix for inconsistent styles for `pip` in a tutorial

[lentil32]

Tutorials: https://developers.sap.com/tutorials/ai-core-genai-hana-vector.html

pip commad is starting with: in step 1, pip3 in step 3, 5, 6, 9, !pip in step 9's screenshot, %pip

it would be %pip for consistency

References

• module - How to install a Python package from within IPython? - Stack Overflow
• Built-in magic commands — IPython 8.27.0 documentation

[jmmargo]

@dhrubpaul , please respond to this user's feedback. Thank you.