Use git source for derive_builder for now, for sub_builder feature

This commitid is the current head of my MR branch
  colin-kiegel/rust-derive-builder#253
  https://github.com/ijackson/rust-derive-builder/tree/field-builder
Using the commitid prevents surprises if that branch is updated.

We will require this newer version of derive_builder.  The version
will need to be bumped again later, assuming the upstream MR is merged
and upstream do a release containing the needed changes.

We will need the new version of not only `derive_builder_core` (the
main macro implementation) but also`derive_builder` for a new error
type.

Cargo.toml

@@ -62,6 +62,10 @@ codegen-units = 1
 # 1.56.  It saves about 11% download size over the default value of '3'.]
 opt-level = 's'
 
-#[patch.crates-io.derive_builder_core]
-#git = "https://github.com/ijackson/rust-derive-builder"
-#rev = "dccbbb8ad75717c8bc0070b6f0364b2c3a54abb7"
+[patch.crates-io.derive_builder]
+git = "https://github.com/ijackson/rust-derive-builder"
+rev = "4516209ce98f6506bf729aa7cdbced97747f7dd1"
+
+[patch.crates-io.derive_builder_core]
+git = "https://github.com/ijackson/rust-derive-builder"
+rev = "4516209ce98f6506bf729aa7cdbced97747f7dd1"

crates/arti-client/Cargo.toml

@@ -43,7 +43,7 @@ tor-proto = { path = "../tor-proto", version = "0.2.0"}
 tor-rtcompat = { path = "../tor-rtcompat", version = "0.2.0"}
 
 humantime-serde = "1.1.1"
-derive_builder = "0.11"
+derive_builder = "0.11.2"
 derive_more = "0.99"
 directories = "4"
 educe = "0.4.6"

crates/arti-config/Cargo.toml

@@ -20,7 +20,7 @@ serde = { version = "1.0.103", features = ["derive"] }
 toml = "0.5"
 regex = { version = "1", default-features = false, features = ["std"] }
 thiserror = "1"
-derive_builder = "0.11"
+derive_builder = "0.11.2"
 
 [dev-dependencies]
 tempfile = "3"

crates/tor-circmgr/Cargo.toml

@@ -33,7 +33,7 @@ tor-rtcompat = { path = "../tor-rtcompat", version = "0.2.0"}
 
 async-trait = "0.1.2"
 bounded-vec-deque = "0.1"
-derive_builder = "0.11"
+derive_builder = "0.11.2"
 downcast-rs = "1.2.0"
 dyn-clone = "1.0.4"
 educe = "0.4.6"

crates/tor-config/Cargo.toml

@@ -18,7 +18,7 @@ expand-paths = ["shellexpand", "directories"]
 tor-error = { path="../tor-error", version = "0.2.0"}
 
 thiserror = "1"
-derive_builder = "0.11"
+derive_builder = "0.11.2"
 once_cell = "1"
 serde = { version = "1.0.103", features = ["derive"] }
 shellexpand = { version = "2.1", package = "shellexpand-fork", optional = true }

crates/tor-dirmgr/Cargo.toml

@@ -41,7 +41,7 @@ tor-rtcompat = { path = "../tor-rtcompat", version = "0.2.0"}
 
 async-trait = "0.1.2"
 base64 = "0.13.0"
-derive_builder = "0.11"
+derive_builder = "0.11.2"
 derive_more = "0.99"
 digest = "0.10.0"
 educe = "0.4.6"

crates/tor-netdir/Cargo.toml

@@ -33,7 +33,7 @@ tor-protover = { path="../tor-protover", version = "0.2.0"}
 tor-units = { path="../tor-units", version = "0.2.0"}
 
 bitflags = "1"
-derive_builder = "0.11"
+derive_builder = "0.11.2"
 derive_more = "0.99"
 hex = { version = "0.4", optional = true }
 hex-literal = { version = "0.3", optional = true }

maint/downgrade_dependencies

@@ -7,7 +7,6 @@
 
 cargo +nightly update -Z minimal-versions
 cargo update \
-      -p darling:0.12.0 \
       -p crc32fast \
       -p quote:0.6.3 \
       -p zeroize_derive:1.1.1 \