MAINT: Change all pandas links to use HTTPS (#30669)

Also update the link to pandas' whatsnew page

Author: gfyoung

RELEASE.md

@@ -2,5 +2,5 @@ Release Notes
 =============
 
 The list of changes to Pandas between each release can be found
-[here](http://pandas.pydata.org/pandas-docs/stable/whatsnew.html). For full
+[here](https://pandas.pydata.org/pandas-docs/stable/whatsnew/index.html). For full
 details, see the commit logs at http://github.com/pandas-dev/pandas.

asv_bench/asv.conf.json

@@ -7,7 +7,7 @@
     "project": "pandas",
 
     // The project's homepage
-    "project_url": "http://pandas.pydata.org/",
+    "project_url": "https://pandas.pydata.org/",
 
     // The URL of the source code repository for the project being
     // benchmarked

conda.recipe/meta.yaml

@@ -36,5 +36,5 @@ test:
 
 
 about:
-  home: http://pandas.pydata.org
+  home: https://pandas.pydata.org
   license: BSD

doc/source/development/contributing.rst

@@ -434,7 +434,7 @@ The utility script ``scripts/validate_docstrings.py`` can be used to get a csv
 summary of the API documentation. And also validate common errors in the docstring
 of a specific class, function or method. The summary also compares the list of
 methods documented in ``doc/source/api.rst`` (which is used to generate
-the `API Reference <http://pandas.pydata.org/pandas-docs/stable/api.html>`_ page)
+the `API Reference <https://pandas.pydata.org/pandas-docs/stable/api.html>`_ page)
 and the actual public methods.
 This will identify methods documented in ``doc/source/api.rst`` that are not actually
 class methods, and existing methods that are not documented in ``doc/source/api.rst``.

doc/source/getting_started/tutorials.rst

@@ -15,7 +15,7 @@ pandas' own :ref:`10 Minutes to pandas<10min>`.
 
 More complex recipes are in the :ref:`Cookbook<cookbook>`.
 
-A handy pandas `cheat sheet <http://pandas.pydata.org/Pandas_Cheat_Sheet.pdf>`_.
+A handy pandas `cheat sheet <https://pandas.pydata.org/Pandas_Cheat_Sheet.pdf>`_.
 
 Community guides
 ================

doc/source/user_guide/cookbook.rst

@@ -795,7 +795,7 @@ The :ref:`Resample <timeseries.resampling>` docs.
 <https://stackoverflow.com/questions/33637312/pandas-grouper-by-frequency-with-completeness-requirement>`__
 
 `Valid frequency arguments to Grouper
-<http://pandas.pydata.org/pandas-docs/stable/timeseries.html#offset-aliases>`__
+<https://pandas.pydata.org/pandas-docs/stable/timeseries.html#offset-aliases>`__
 
 `Grouping using a MultiIndex
 <https://stackoverflow.com/questions/41483763/pandas-timegrouper-on-multiindex>`__

doc/source/user_guide/indexing.rst

@@ -668,7 +668,7 @@ Current behavior
    KeyError in the future, you can use .reindex() as an alternative.
 
    See the documentation here:
-   http://pandas.pydata.org/pandas-docs/stable/indexing.html#deprecate-loc-reindex-listlike
+   https://pandas.pydata.org/pandas-docs/stable/indexing.html#deprecate-loc-reindex-listlike
 
    Out[4]:
    1    2.0

doc/source/user_guide/io.rst

@@ -2629,7 +2629,7 @@ that contain URLs.
 
    url_df = pd.DataFrame({
        'name': ['Python', 'Pandas'],
-       'url': ['https://www.python.org/', 'http://pandas.pydata.org']})
+       'url': ['https://www.python.org/', 'https://pandas.pydata.org']})
    print(url_df.to_html(render_links=True))
 
 .. ipython:: python

doc/source/user_guide/style.ipynb

@@ -1063,7 +1063,7 @@
     "- Provide an API that is pleasing to use interactively and is \"good enough\" for many tasks\n",
     "- Provide the foundations for dedicated libraries to build on\n",
     "\n",
-    "If you build a great library on top of this, let us know and we'll [link](http://pandas.pydata.org/pandas-docs/stable/ecosystem.html) to it.\n",
+    "If you build a great library on top of this, let us know and we'll [link](https://pandas.pydata.org/pandas-docs/stable/ecosystem.html) to it.\n",
     "\n",
     "### Subclassing\n",
     "\n",

doc/source/whatsnew/v0.15.0.rst

@@ -852,7 +852,7 @@ Other notable API changes:
      A value is trying to be set on a copy of a slice from a DataFrame.
      Try using .loc[row_indexer,col_indexer] = value instead
 
-     See the caveats in the documentation: http://pandas.pydata.org/pandas-docs/stable/indexing.html#indexing-view-versus-copy
+     See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/indexing.html#indexing-view-versus-copy
 
 - ``merge``, ``DataFrame.merge``, and ``ordered_merge`` now return the same type
   as the ``left`` argument (:issue:`7737`).