fix(docs): Update docs for Python build step (#5530)

Author: CCFenner

cmd/pythonBuild_generated.go

@@ -2,17 +2,18 @@ metadata:
   name: pythonBuild
   description: Step builds a python project
   longDescription: |
-    Step build python project using the setup.py manifest and builds a wheel and tarball artifact . please note that currently python build only supports setup.py
+    This step will build a python project.
+    It will prioritize `pyproject.toml` file but can also be used with a `setup.py` manifest and builds a wheel and tarball artifact.
 
-    ### build with depedencies from a private repository
-    if your build has dependencies from a private repository you can include the standard requirements.txt into the source code with `--extra-index-url` as the first line
+    ### Build with depedencies from a private repository
+
+    If your build has dependencies from a private repository you can include the standard `requirements.txt` into the source code with `--extra-index-url` as the first line
 
     ```
     --extra-index-url https://${PIPER_VAULTCREDENTIAL_USERNAME}:${PIPER_VAULTCREDENTIAL_PASSWORD}@<privateRepoUrl>/simple
     ```
-    `PIPER_VAULTCREDENTIAL_USERNAME` and `PIPER_VAULTCREDENTIAL_PASSWORD` are the username and password for the private repository
-    and are exposed are environment variables that must be present in the environment where the Piper step runs or alternatively can be created using :
-    [vault general purpose credentials](../infrastructure/vault.md#using-vault-for-general-purpose-and-test-credentials)
+
+    The variables `PIPER_VAULTCREDENTIAL_USERNAME` and `PIPER_VAULTCREDENTIAL_PASSWORD` are the username and password environemtn variables for the private repository must be present in the environment where the Piper step runs or alternatively can be created using [vault general purpose credentials](../infrastructure/vault.md#using-vault-for-general-purpose-and-test-credentials).
 spec:
   inputs:
     params: