Update dependency dart to v3.10.7

moneymgr_backend/Cargo.lock

@@ -3235,9 +3235,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.149"
+version = "1.0.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+checksum = "3084b546a1dd6289475996f182a22aba973866ea8e8b02c51d9f46b1336a22da"
 dependencies = [
  "itoa",
  "memchr",

moneymgr_backend/Cargo.toml

@@ -22,7 +22,7 @@ rust-s3 = "0.36.0-beta.2"
 thiserror = "2.0.17"
 tokio = "1.45.1"
 futures-util = "0.3.31"
-serde_json = "1.0.149"
+serde_json = "1.0.148"
 light-openid = "1.0.4"
 rand = "0.9.2"
 ipnet = { version = "2.11.0", features = ["serde"] }