Release v0.28.0 (#1286)

* Pin back nixpkgs

* flake.lock: Update

Flake lock file updates:

• Updated input 'determinate':
    'https://api.flakehub.com/f/pinned/DeterminateSystems/determinate/0.1.145%2Brev-5babe9d6a9eb52ee001bf70ad607fd66522f781b/0192b11b-c96e-7199-ba89-8c923541fcce/source.tar.gz?narHash=sha256-%2BjP%2BZlg0prpcmBy5s7cPUa7nJr90Zm2m933aibrHBYw%3D' (2024-10-21)
  → 'https://api.flakehub.com/f/pinned/DeterminateSystems/determinate/0.1.153%2Brev-e8698104b97ce6bce0ce6bbd46d82dccabfffd1d/01932265-56de-748a-a97e-9e8bfaab53a2/source.tar.gz?narHash=sha256-uNxfr/i8m9oyMPUxlagmOm%2BqQ4erUB0Pq2sRtR4qFV4%3D' (2024-11-12)
• Updated input 'determinate/determinate-nixd-aarch64-darwin':
    'https://install.determinate.systems/determinate-nixd/rev/51ecec5a3148baef87c2015536aa12dd18e4c4ad/macOS?narHash=sha256-OhG8joS/uN3Kdw4h9w8F/6ZIVTFZ8J9Fb4NGn/KK5/s%3D'
  → 'https://install.determinate.systems/determinate-nixd/tag/v0.2.2/macOS?narHash=sha256-XSYDoC2gHke98y83pABOnNT0E2jGE0qo1yBzY0b7/I0%3D'
• Updated input 'determinate/determinate-nixd-aarch64-linux':
    'https://install.determinate.systems/determinate-nixd/rev/51ecec5a3148baef87c2015536aa12dd18e4c4ad/aarch64-linux?narHash=sha256-AGcHQSIdb%2BKEJlhJzMB4YyFxbjdLZEDDf6bv6Zi3wqM%3D'
  → 'https://install.determinate.systems/determinate-nixd/tag/v0.2.2/aarch64-linux?narHash=sha256-MfKT7oYAZ1BxVpsFA4SRNYxh%2B2fQScESO67UJy%2B8gQY%3D'
• Updated input 'determinate/determinate-nixd-x86_64-linux':
    'https://install.determinate.systems/determinate-nixd/rev/51ecec5a3148baef87c2015536aa12dd18e4c4ad/x86_64-linux?narHash=sha256-kU4dqHoYe3sFf4LDAUj4fyl9uGV8IHtE22%2BDdMeRN0s%3D'
  → 'https://install.determinate.systems/determinate-nixd/tag/v0.2.2/x86_64-linux?narHash=sha256-N6ufU3p/8ooUsElSmPTArgfqCWj0emuDdLgkCFZ1ksE%3D'
• Updated input 'fenix':
    'https://api.flakehub.com/f/pinned/nix-community/fenix/0.1.2029%2Brev-a9d2e5fa8d77af05240230c9569bbbddd28ccfaf/01924729-44b5-7df4-a70d-d5e64656e243/source.tar.gz?narHash=sha256-tvN9v5gTxLI5zOKsNvYl1aUxIitHm8Nj3vKdXNfJo50%3D' (2024-10-01)
  → 'https://api.flakehub.com/f/pinned/nix-community/fenix/0.1.2064%2Brev-87b4d20f896c99018dde4702a9c6157b516f2a76/0192e6cd-971b-78c1-896b-bd0e33f2c68f/source.tar.gz?narHash=sha256-U1DWb5c3EfkA7pqx5V1H4AWRA%2BEaE6UJ0lIRvK1RxgM%3D' (2024-11-01)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/28830ff2f1158ee92f4852ef3ec35af0935d1562?narHash=sha256-xxgUHwwJ%2B1xQQoUWvLDo807IZ0MDldkfr9N1G4fvNJU%3D' (2024-09-30)
  → 'github:rust-lang/rust-analyzer/0ba893e1a00d92557ac91efb771d72eee36ca687?narHash=sha256-0Uq%2B/B8eu7pw8B8pxuGdFYKjcVLwNMcHfDxU9sXh7rg%3D' (2024-10-31)

* Update cargo deps