Fix documentation typos and grammar issues

- Fix duplicate "the" in pip_lock.rst
- Fix typo "py" -> "by" in authentication.md
- Fix duplicate "and" in authentication.md
- Fix duplicate "build" in command-line-interface.rst
- Fix "pip support" -> "pip supports" in ci.rst
- Fix duplicate "the" in improving-pips-documentation.md

Co-authored-by: DimitriPapadopoulos <3234522+DimitriPapadopoulos@users.noreply.github.com>

Author: Copilot

docs/html/development/architecture/command-line-interface.rst

@@ -64,7 +64,7 @@ The base ``Command`` has the following methods:
 
 Some commands have more specialized behavior, (see for example ``pip index``).
 These commands instead will inherit from ``IndexGroupCommand``, which inherits from ``Command``
-and  ``SessionCommandMixin`` to build build the pip session for the corresponding requests.
+and  ``SessionCommandMixin`` to build the pip session for the corresponding requests.
 
 Lastly, ``RequirementCommand``, which inherits from ``IndexGroupCommand`` is the base class
 for those commands which make use of requirements in any form, like ``pip install``.

docs/html/development/ci.rst

@@ -16,7 +16,7 @@ Continuous Integration
 Supported interpreters
 ======================
 
-pip support a variety of Python interpreters:
+pip supports a variety of Python interpreters:
 
 - CPython 3.9
 - CPython 3.10

docs/html/topics/authentication.md

@@ -66,7 +66,7 @@ man pages][netrc-docs].
 ## Keyring Support
 
 pip supports loading credentials stored in your keyring using the
-{pypi}`keyring` library, which can be enabled py passing `--keyring-provider`
+{pypi}`keyring` library, which can be enabled by passing `--keyring-provider`
 with a value of `auto`, `disabled`, `import`, or `subprocess`. The default
 value `auto` respects `--no-input` and does not query keyring at all if the option
 is used; otherwise it tries the `import`, `subprocess`, and `disabled`
@@ -84,7 +84,7 @@ configure its usage would be to use a configuration instead:
 ```bash
 $ pip config set --global global.keyring-provider subprocess
 
-# A different user on the same system which has PYTHONPATH configured and and
+# A different user on the same system which has PYTHONPATH configured and
 # wanting to use keyring installed that way could then run
 $ pip config set --user global.keyring-provider import
 

docs/html/ux-research-design/research-results/improving-pips-documentation.md

@@ -55,7 +55,7 @@ In response to the question "When you have a problem using pip, what do you do?"
 - 56.9% of respondents search or ask on Stack Overflow
 - 33.8% of respondents use pip help from the command line
 - **25.6% of respondents go to the pip docs**
-- 20.6% of respondents go the the Python Packaging User Guide
+- 20.6% of respondents go to the Python Packaging User Guide
 - 8.1% of respondents ask on a forum, community board, or chat channel
 
 ![screenshot of survey results](https://i.imgur.com/qlt1b4n.png)