chore: change the parse_all_requirements_files default value (#2389)

With this PR we are changing the defaults in the upcoming `0.39`
version, and
if all goes well, the release after that will be `1.0`.

Work towards #1361

Author: aignas

CHANGELOG.md

@@ -34,6 +34,11 @@ A brief description of the categories of changes:
     * 3.11.10
     * 3.12.7
     * 3.13.0
+* (pypi) The naming scheme for the `bzlmod` spoke repositories have changed as
+  all of the given `requirements.txt` files are now parsed by `default`, to
+  temporarily restore the behavior, you can use
+  {bzl:obj}`pip.parse.extra_hub_aliases`, which will be removed or made noop in
+  the future.
 
 [20241016]: https://github.com/indygreg/python-build-standalone/releases/tag/20241016
 

examples/bzlmod/MODULE.bazel.lock

@@ -786,7 +786,7 @@ find in case extra indexes are specified.
             default = True,
         ),
         "parse_all_requirements_files": attr.bool(
-            default = False,
+            default = True,
             doc = """\
 A temporary flag to enable users to make `pip` extension result always
 the same independent of the whether transitive dependencies use {bzl:attr}`experimental_index_url` or not.