Release notes for 1.5.0

[hardbyte]

What's Changed

• Fix issues with overflows by @nbgl in https://github.com/data61/python-paillier/pull/73
• Default keysize increased to 3072 by @hardbyte in https://github.com/data61/python-paillier/pull/66
• Using gmpy2's mulmod to accelerate the mulmod operation by @tanjuntao in https://github.com/data61/python-paillier/pull/99

Updates to examples

• federated learning example by @wilko77 in https://github.com/data61/python-paillier/pull/64
• make learning rate independent of dataset size by @wilko77 in https://github.com/data61/python-paillier/pull/69

New Contributors

• @tanjuntao made their first contribution in https://github.com/data61/python-paillier/pull/99

Full Changelog: https://github.com/data61/python-paillier/compare/1.4.0...1.5.0