Clean up many small dependencies (part 3) (#8425)

Follow-up to #8353

Release Notes:
- N/A

crates/project/Cargo.toml

@@ -12,7 +12,6 @@ doctest = false
 [features]
 test-support = [
     "client/test-support",
-    "db/test-support",
     "language/test-support",
     "settings/test-support",
     "text/test-support",
@@ -28,7 +27,6 @@ client.workspace = true
 clock.workspace = true
 collections.workspace = true
 copilot.workspace = true
-db.workspace = true
 fs.workspace = true
 futures.workspace = true
 fuzzy.workspace = true
@@ -52,7 +50,7 @@ schemars.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
-sha2 = "0.10"
+sha2.workspace = true
 similar = "1.3"
 smol.workspace = true
 sum_tree.workspace = true
@@ -64,7 +62,6 @@ which.workspace = true
 [dev-dependencies]
 client = { workspace = true, features = ["test-support"] }
 collections = { workspace = true, features = ["test-support"] }
-db = { workspace = true, features = ["test-support"] }
 env_logger.workspace = true
 fs = { workspace = true, features = ["test-support"] }
 git2.workspace = true