Add the Bronze GC paper.

Author: ltratt

softdev.bib

@@ -2672,3 +2672,11 @@ @inproceedings{xia29cherivoke
   month = Oct,
   doi = {10.1145/3352460.3358288}
 }
+
+@inproceedings{coblenz21bronze,
+    title = "Does the {Bronze} Garbage Collector Make {Rust} Easier to Use? {A} Controlled Experiment",
+    booktitle = "ICSE",
+    author = "Michael Coblenz and Michelle Mazurek and Michael Hicks",
+    year = 2022,
+    month = May
+}