chore: drop src/ in bench_util & serde_v8 (#14097)

To align with conventions used in our other crates

.github/workflows/ci.yml

@@ -236,7 +236,7 @@ jobs:
             ~/.cargo/registry/index
             ~/.cargo/registry/cache
             ~/.cargo/git/db
-          key: 3-cargo-home-${{ matrix.os }}-${{ hashFiles('Cargo.lock') }}
+          key: 4-cargo-home-${{ matrix.os }}-${{ hashFiles('Cargo.lock') }}
 
       # In main branch, always creates fresh cache
       - name: Cache build output (main)
@@ -252,7 +252,7 @@ jobs:
             !./target/*/*.zip
             !./target/*/*.tar.gz
           key: |
-            3-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-${{ github.sha }}
+            4-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-${{ github.sha }}
 
       # Restore cache from the latest 'main' branch build.
       - name: Cache build output (PR)
@@ -268,7 +268,7 @@ jobs:
             !./target/*/*.tar.gz
           key: never_saved
           restore-keys: |
-            3-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-
+            4-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-
 
       # Don't save cache after building PRs or branches other than 'main'.
       - name: Skip save cache (PR)

bench_util/Cargo.toml

@@ -10,7 +10,8 @@ readme = "README.md"
 repository = "https://github.com/denoland/deno"
 description = "Bench and profiling utilities for deno crates"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+path = "lib.rs"
 
 [dependencies]
 bencher = "0.1"

serde_v8/Cargo.toml

@@ -9,6 +9,9 @@ readme = "README.md"
 repository = "https://github.com/denoland/deno"
 description = "Rust to V8 serialization and deserialization"
 
+[lib]
+path = "lib.rs"
+
 [dependencies]
 serde = { version = "1.0.130", features = ["derive"] }
 serde_bytes = "0.11"