chore: bump tari crate dependency versions (0.24/0.28/0.6) (#51)

* chore: bump tari crate versions across all templates

- tari_template_lib/types: 0.22 -> 0.24
- tari_template_test_tooling: 0.26 -> 0.28
- ootle-rs: 0.3 -> 0.6
- tari_ootle_transaction/common_types: 0.27 -> 0.28

* update cargo.toml

* ci: add clippy lint check for examples and fix existing warnings

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <[email protected]>

Author: sdbondi

.github/workflows/ci.yml

@@ -9,6 +9,31 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
+  lint-examples:
+    name: Lint Examples
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+          targets: wasm32-unknown-unknown
+
+      - uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: |
+            examples/guessing_game/template
+            examples/guessing_game/cli
+
+      - name: Clippy (template - wasm)
+        working-directory: examples/guessing_game/template
+        run: cargo clippy --target wasm32-unknown-unknown -- -D warnings
+
+      - name: Clippy (cli)
+        working-directory: examples/guessing_game/cli
+        run: cargo clippy -- -D warnings
+
   test-templates:
     name: Test Templates
     runs-on: ubuntu-latest