Update heroku/buildpacks-python to v2.7.0 (#822)

## heroku/python

### Added

- Added support for Python 3.14. ([#439](heroku/buildpacks-python#439))

### Changed

- The Python 3.13 version alias now resolves to Python 3.13.8. ([#440](heroku/buildpacks-python#440))
- The Python 3.12 version alias now resolves to Python 3.12.12. ([#441](heroku/buildpacks-python#441))
- The Python 3.11 version alias now resolves to Python 3.11.14. ([#441](heroku/buildpacks-python#441))
- The Python 3.10 version alias now resolves to Python 3.10.19. ([#441](heroku/buildpacks-python#441))
- The Python 3.9 version alias now resolves to Python 3.9.24. ([#441](heroku/buildpacks-python#441))

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>

Author: heroku-linguist[bot]

builder-22/builder.toml

@@ -47,7 +47,7 @@ version = "0.20.14"
 
 [[buildpacks]]
   id = "heroku/python"
-  uri = "docker://docker.io/heroku/buildpack-python@sha256:6f6b14940ab5a00241da44e9491e2a8d1f5b034c97b9b094fac3fde63b08ae76"
+  uri = "docker://docker.io/heroku/buildpack-python@sha256:8db9fc032de47c39608bb1c338b7112a94b85d8acdfd4a4f8ae8c53c9f07d384"
 
 [[buildpacks]]
   id = "heroku/ruby"
@@ -64,7 +64,7 @@ version = "0.20.14"
     optional = true
   [[order.group]]
     id = "heroku/python"
-    version = "2.6.0"
+    version = "2.7.0"
   [[order.group]]
     id = "heroku/procfile"
     version = "4.2.1"

builder-24/builder.toml

@@ -47,7 +47,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
 
 [[buildpacks]]
   id = "heroku/python"
-  uri = "docker://docker.io/heroku/buildpack-python@sha256:6f6b14940ab5a00241da44e9491e2a8d1f5b034c97b9b094fac3fde63b08ae76"
+  uri = "docker://docker.io/heroku/buildpack-python@sha256:8db9fc032de47c39608bb1c338b7112a94b85d8acdfd4a4f8ae8c53c9f07d384"
 
 [[buildpacks]]
   id = "heroku/ruby"
@@ -64,7 +64,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     optional = true
   [[order.group]]
     id = "heroku/python"
-    version = "2.6.0"
+    version = "2.7.0"
   [[order.group]]
     id = "heroku/procfile"
     version = "4.2.1"