ci: use buildjet cache for steps using buildjet runners (#5545)

## Description
closes #5542 

Switch to use buildjet cache for steps using buildjet runners.

Author: kayagokalp

.github/workflows/ci.yml

@@ -149,7 +149,15 @@ jobs:
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ env.RUST_VERSION }}
-      - uses: Swatinem/rust-cache@v2
+      - uses: buildjet/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Install Forc
         run: cargo install --locked --debug --path ./forc
       - name: Install Forc plugins
@@ -365,7 +373,15 @@ jobs:
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ env.RUST_VERSION }}
-      - uses: Swatinem/rust-cache@v2
+      - uses: buildjet/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Build All Tests
         run: cargo run --locked --release -p forc -- build --release --locked --path ./test/src/sdk-harness
       - name: Cargo Test sway-lib-std