Move dependencies from src/deps/ to vendor/ (#13901)

.gitignore

@@ -49,7 +49,6 @@
 /build-*/
 /bun-webkit
 /kcov-out
-/src/deps/libuv
 /test-report.json
 /test-report.md
 /test.js
@@ -117,11 +116,6 @@ sign.json
 src/bun.js/bindings-obj
 src/bun.js/bindings/GeneratedJS2Native.zig
 src/bun.js/debug-bindings-obj
-src/deps/c-ares/build
-src/deps/libiconv
-src/deps/openssl
-src/deps/PLCrashReporter/
-src/deps/s2n-tls
 src/deps/zig-clap/.gitattributes
 src/deps/zig-clap/.github
 src/deps/zig-clap/example
@@ -148,7 +142,12 @@ test/node.js/upstream
 scripts/env.local
 
 # Dependencies
+/vendor
+
+# Dependencies (before CMake)
+# These can be removed in the far future
 /src/bun.js/WebKit
+/src/deps/WebKit
 /src/deps/boringssl
 /src/deps/brotli
 /src/deps/c*ares