Update rust-lang.rust-analyzer in devcontainer-metadata.json (#95)

Co-authored-by: embedded-releaser-app[bot] <190257042+embedded-releaser-app[bot]@users.noreply.github.com>

Author: embedded-releaser-app[bot]

.devcontainer/rust/devcontainer-metadata.json

@@ -7,7 +7,7 @@
       "extensions": [
         "mhutchie.git-graph@1.30.0",
         "ms-vsliveshare.vsliveshare@1.1.122",
-        "rust-lang.rust-analyzer@0.3.2981",
+        "rust-lang.rust-analyzer@0.3.2989",
         "tamasfe.even-better-toml@0.21.2",
         "usernamehw.errorlens@3.28.0"
       ]