refactor(time): migrate audit and notify timestamps to jiff (#5707)

* refactor(time): migrate audit and notify timestamps to jiff

Co-Authored-By: heihutu <heihutu@gmail.com>

* test(ecstore): initialize heal walk decode error

Co-Authored-By: heihutu <heihutu@gmail.com>

* refactor(targets): parse MySQL event time with jiff

Preserve MySQL DATETIME(6) wall-time formatting for RFC3339 eventTime values while removing the direct chrono dependency from rustfs-targets.

Co-Authored-By: heihutu <heihutu@gmail.com>

* chore(deps): prune unused workspace dependencies

Apply cargo shear --fix to remove unused path-clean and s3select-api tempfile entries after the scoped jiff migration.

Co-Authored-By: heihutu <heihutu@gmail.com>

* test(ecstore): remove duplicate heal walk decode error init

Remove the duplicate decode_error field from the heal walk test collector initializer so lib-test clippy compiles on CI.

Co-Authored-By: heihutu <heihutu@gmail.com>

* refactor(policy): emit OPA timestamps with jiff

Co-Authored-By: heihutu <heihutu@gmail.com>

---------

Co-authored-by: heihutu <heihutu@gmail.com>

Cargo.lock

@@ -9135,11 +9135,11 @@ name = "rustfs-audit"
 version = "1.0.0-beta.12"
 dependencies = [
  "async-trait",
- "chrono",
  "const-str",
  "futures",
  "hashbrown 0.17.1",
  "hotpath",
+ "jiff",
  "metrics",
  "rustfs-config",
  "rustfs-s3-types",
@@ -9737,11 +9737,11 @@ dependencies = [
  "arc-swap",
  "async-trait",
  "axum",
- "chrono",
  "criterion",
  "form_urlencoded",
  "hashbrown 0.17.1",
  "hotpath",
+ "jiff",
  "metrics",
  "percent-encoding",
  "quick-xml",
@@ -9862,10 +9862,10 @@ version = "1.0.0-beta.12"
 dependencies = [
  "async-trait",
  "base64-simd",
- "chrono",
  "futures",
  "hotpath",
  "ipnetwork",
+ "jiff",
  "jsonwebtoken 11.0.0",
  "moka",
  "pollster",
@@ -10091,7 +10091,6 @@ dependencies = [
  "s3s",
  "serde_json",
  "serial_test",
- "tempfile",
  "thiserror 2.0.19",
  "tokio",
  "tokio-util",
@@ -10205,7 +10204,6 @@ dependencies = [
  "arc-swap",
  "async-nats",
  "async-trait",
- "chrono",
  "criterion",
  "deadpool-postgres",
  "futures-util",
@@ -10213,6 +10211,7 @@ dependencies = [
  "hotpath",
  "hyper",
  "hyper-rustls",
+ "jiff",
  "lapin",
  "libc",
  "metrics",