Add syn-2.0.101-new-solver benchmark

Author: Kobzol

collector/compile-benchmarks/syn-2.0.101-new-solver/.cargo_vcs_info.json

@@ -0,0 +1,6 @@
+{
+  "git": {
+    "sha1": "58336a3fb49b63aae0ae2e708a69167543ff0e97"
+  },
+  "path_in_vcs": ""
+}

collector/compile-benchmarks/syn-2.0.101-new-solver/0-println.patch

@@ -0,0 +1,12 @@
+diff --git a/src/lifetime.rs b/src/lifetime.rs
+index cc189d1a..6a1c6ebb 100644
+--- a/src/lifetime.rs
++++ b/src/lifetime.rs
+@@ -36,6 +36,7 @@ impl Lifetime {
+     /// # }
+     /// ```
+     pub fn new(symbol: &str, span: Span) -> Self {
++        println!("testing");
+         if !symbol.starts_with('\'') {
+             panic!(
+                 "lifetime name must start with apostrophe as in \"'a\", got {:?}",