Propagate patches into generated Cargo.toml

Summary:
Without this, since D74659779, Reindeer's Cargo.lock is left in a dirty state by any Cargo commands run in the git repo.

```lang=log
$ git status
HEAD detached at origin/main
nothing to commit, working tree clean

$ cargo check
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s

$ git status
HEAD detached at origin/main
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
	modified:   Cargo.lock
no changes added to commit (use "git add" and/or "git commit -a")

$ git diff
 diff --git a/Cargo.lock b/Cargo.lock
index d01ce6e..44f6c5f 100644
 --- a/Cargo.lock
+++ b/Cargo.lock
@@ -499,6 +499,7 @@ dependencies = [
 name = "displaydoc"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
```

Reviewed By: cjlongoria

Differential Revision: D75378307

fbshipit-source-id: 6181c2c81dc56c59a09b51b988de178d3ae599ac

Author: David Tolnay

Cargo.lock

@@ -43,3 +43,9 @@ walkdir = "2.3"
 [dev-dependencies]
 indoc = "2.0.2"
 tempfile = "3.15"
+
+[patch.crates-io]
+displaydoc = { git = "https://github.com/yaahc/displaydoc", rev = "7dc6e324b1788a6b7fb9f3a1953c512923a3e9f0" }
+
+[workspace]
+members = ["."]