CI - Tweak caching in typescript/build-and-test (#3396)

# Description of Changes

I changed some variables related to caching in the TypeScript test CI,
since it was failing on master due to suspected cache issues.

# API and ABI breaking changes

None

# Expected complexity level and risk
1

# Testing

- [x] CI passes on this PR when it didn't on master

---------

Co-authored-by: Zeke Foppa <bfops@users.noreply.github.com>

.github/workflows/typescript-test.yml

@@ -77,7 +77,9 @@ jobs:
       - name: Cache Rust dependencies
         uses: Swatinem/rust-cache@v2
         with:
-          workspaces: modules/quickstart-chat
+          workspaces: |
+            .
+            modules/quickstart-chat
           shared-key: quickstart-chat-test
 
       - name: Install SpacetimeDB CLI from the local checkout
@@ -89,9 +91,6 @@ jobs:
           ln -s $HOME/.cargo/bin/spacetimedb-cli $HOME/.cargo/bin/spacetime
           # Clear any existing information
           spacetime server clear -y
-        env:
-          # Share the target directory with our local project to avoid rebuilding same SpacetimeDB crates twice.
-          CARGO_TARGET_DIR: modules/quickstart-chat/target
 
       - name: Generate client bindings
         working-directory: modules/quickstart-chat