[bib] Update latex .bib file for webassembly 2.0 (#1463)

Author: JamesMenetrey

wasm-specs.bib

@@ -1,9 +1,20 @@
-@report{WebAssemblyCoreSpecification,
+@report{WebAssemblyCoreSpecification1,
   title = {{WebAssembly Core Specification}},
+  version = {1.0},
   editor = {Rossberg, Andreas},
   date = {2019-12-05},
   institution = {{W3C}},
   url = {https://www.w3.org/TR/wasm-core-1/},
+  langid = {english}
+}
+
+@report{WebAssemblyCoreSpecification2,
+  title = {{WebAssembly Core Specification}},
+  version = {2.0},
+  editor = {Rossberg, Andreas},
+  date = {2022-04-19},
+  institution = {{W3C}},
+  url = {https://www.w3.org/TR/wasm-core-2/},
   langid = {english},
   note = {https://webassembly.github.io/spec/core/_download/WebAssembly.pdf}
 }