chore(main): release flagd-core 2.0.0

[github-actions]

🤖 I have created a release beep boop

2.0.0 (2025-07-11)

⚠ BREAKING CHANGES

• improve eval performance, restructure lib, support flag metadata (#1120)
• allow overrides for fractional seed (#870)

🐛 Bug Fixes

• falsy boolean shorthand logic (#746) (0772c90)
• flagd-core: use injected logger (#1057) (4e21b83)
• flagd: improve targeting key check in fractional operator (#1048) (7d82649)
• init in-process error, throw on invalid rules (#767) (e9f9e74)
• security: update vulnerability-updates (#1342) (fca83c9)
• update disabled behavior to match spec (#744) (3f6b4f4)
• update json logic engine and schema (#914) (04f0dfd)

✨ New Features

• add targeting validation/warning (#878) (2a4dbcf)
• allow overrides for fractional seed (#870) (6c376b2)
• Change fractional custom op from percentage-based to relative weighting. #946 (#954) (0e9bc84)
• flagd-core: add bulk evaluation method (#1010) (52aebed)
• flagd: add flag metadata (#1151) (b1c6d23)
• improve eval performance, restructure lib, support flag metadata (#1120) (f1ed82a)

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