feat: Dropping python 3.8 requirements files from the project. (feast…

…-dev#4021)

* Dropping the support for python 3.8 version from feast
Signed-off-by: Lokesh Rangineni <[email protected]>

Signed-off-by: Lokesh Rangineni <[email protected]>

* updating the pyproject.toml to use the python 3.9 version.
Signed-off-by: Lokesh Rangineni <[email protected]>

Signed-off-by: Lokesh Rangineni <[email protected]>

* Dropping the support for python 3.8 but these are required to merge the PR as the PR build needs these files because it runs based on the master files. We will be deleting these files once the PR is merged.
Signed-off-by: Lokesh Rangineni <[email protected]>

* Adding missed file. dropping the support for python 3.8.
Dropping the support for python 3.8 but these are required to merge the PR as the PR build needs these files because it runs based on the master files. We will be deleting these files once the PR is merged.
Signed-off-by: Lokesh Rangineni <[email protected]>

Signed-off-by: Lokesh Rangineni <[email protected]>

* Trying to fix the integration test failures with drop python 3.8 version PR.
Signed-off-by: Lokesh Rangineni <[email protected]>

Signed-off-by: Lokesh Rangineni <[email protected]>

* Removing the last dependencies of python 3.8 version from repo.
Signed-off-by: Lokesh Rangineni <[email protected]>

Signed-off-by: Lokesh Rangineni <[email protected]>

---------

Signed-off-by: Lokesh Rangineni <[email protected]>