Bump Rust toolchain to 1.90 and wasmtime latest to 41.0.4

Wasmtime 42+ introduced a breaking error type change (anyhow::Error ->
wasmtime::Error) that requires broader runtime changes. Wasmtime 41 is
the latest version compatible with the current runtime error handling.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jsturtevant

.github/workflows/dep_build_wasm_examples.yml

@@ -90,7 +90,7 @@ jobs:
         - name: Hyperlight setup workflow
           uses: hyperlight-dev/ci-setup-workflow@v1.8.0
           with:
-            rust-toolchain: "1.89"
+            rust-toolchain: "1.90"
         - name: Set up Docker Buildx
           uses: docker/setup-buildx-action@v3
         - name: Login to Registry

.github/workflows/dep_rust.yml

@@ -68,7 +68,7 @@ jobs:
       - name: Hyperlight setup
         uses: hyperlight-dev/ci-setup-workflow@v1.8.0
         with:
-          rust-toolchain: "1.89"
+          rust-toolchain: "1.90"
 
       - name: Add Nightly Rust
         run: |