Build: Bump fastavro from 1.11.1 to 1.12.0 (#2277)

Author: dependabot[bot]

poetry.lock

@@ -93,7 +93,7 @@ pytest = "7.4.4"
 pytest-checkdocs = "2.13.0"
 pytest-lazy-fixture = "0.6.3"
 pre-commit = "4.2.0"
-fastavro = "1.11.1"
+fastavro = "1.12.0"
 coverage = { version = "^7.4.2", extras = ["toml"] }
 requests-mock = "1.12.1"
 moto = { version = "^5.0.2", extras = ["server"] }