ci: bump houseabsolute/actions-rust-cross from 0.0.15 to 0.0.16

Bumps [houseabsolute/actions-rust-cross](https://github.com/houseabsolute/actions-rust-cross) from 0.0.15 to 0.0.16.
- [Release notes](https://github.com/houseabsolute/actions-rust-cross/releases)
- [Changelog](https://github.com/houseabsolute/actions-rust-cross/blob/v0/Changes.md)
- [Commits](houseabsolute/actions-rust-cross@e021eb0...e35168e)

---
updated-dependencies:
- dependency-name: houseabsolute/actions-rust-cross
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/test.yml

@@ -96,7 +96,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: houseabsolute/actions-rust-cross@e021eb0bd0406694c4c3bd14cfce45df810dfaa5
+      - uses: houseabsolute/actions-rust-cross@e35168ee8f31f83b4af8ba73d497bf25f3518a93
         with:
           command: build
           target: thumbv7em-none-eabi
@@ -116,7 +116,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: houseabsolute/actions-rust-cross@e021eb0bd0406694c4c3bd14cfce45df810dfaa5
+      - uses: houseabsolute/actions-rust-cross@e35168ee8f31f83b4af8ba73d497bf25f3518a93
         with:
           command: test
           target: ${{ matrix.arch }}