chore(deps,rust): update usernamehw.errorlens (#466)

Update usernamehw.errorlens

Co-authored-by: rjaegers <45816308+rjaegers@users.noreply.github.com>

Author: philips-software-forest-releaser[bot]

.devcontainer/rust/devcontainer-metadata-vscode.json

@@ -10,7 +10,7 @@
           "ms-vsliveshare.vsliveshare@1.0.5932",
           "rust-lang.rust-analyzer@0.3.2002",
           "tamasfe.even-better-toml@0.19.2",
-          "usernamehw.errorlens@3.18.0"
+          "usernamehw.errorlens@3.20.0"
         ]
       }
     }