Fix caching

Author: matthewmturner

.claude/settings.local.json

@@ -26,7 +26,7 @@
       "Bash(test:*)",
       "WebFetch(domain:github.com)",
       "Bash(ls:*)",
-      "Bash(grep:*)",
+      "Bash(grep:*)"
     ],
     "deny": [],
     "ask": []

.github/actions/setup-rust/action.yml

@@ -42,6 +42,6 @@ runs:
     - name: Install Cargo tools
       shell: bash
       run: |
-        cargo install taplo-cli --locked
-        cargo install just
-        cargo install --version 0.8.0 cargo-machete --locked
+        command -v taplo &> /dev/null || cargo install taplo-cli --locked
+        command -v just &> /dev/null || cargo install just
+        command -v cargo-machete &> /dev/null || cargo install --version 0.8.0 cargo-machete --locked