Implement Cargo caching (#5)

Add Swatinem's Rust-Cache@v2 action to build, test and deploy pipelines

Author: Kitt3120

.github/workflows/build_and_test.yml

@@ -27,6 +27,8 @@ jobs:
         with:
           toolchain: ${{ matrix.toolchain }}
           override: true
+      - name: Setup Cargo cache
+        uses: Swatinem/rust-cache@v2
       - name: Build using ${{ matrix.toolchain }} for ${{ matrix.os }}
         uses: actions-rs/cargo@v1
         with:
@@ -57,6 +59,8 @@ jobs:
         with:
           toolchain: ${{ matrix.toolchain }}
           override: true
+      - name: Setup Cargo cache
+        uses: Swatinem/rust-cache@v2
       - name: Test using ${{ matrix.toolchain }} for ${{ matrix.os }}
         uses: actions-rs/cargo@v1
         with:

.github/workflows/deploy_prerelease.yml

@@ -16,6 +16,8 @@ jobs:
         with:
           toolchain: stable-x86_64-unknown-linux-gnu
           override: true
+      - name: Setup Cargo cache
+        uses: Swatinem/rust-cache@v2
       - name: Package
         uses: actions-rs/cargo@v1
         with:

.github/workflows/deploy_release.yml

@@ -14,6 +14,8 @@ jobs:
         with:
           toolchain: stable-x86_64-unknown-linux-gnu
           override: true
+      - name: Setup Cargo cache
+        uses: Swatinem/rust-cache@v2
       - name: Login to crates.io
         uses: actions-rs/cargo@v1
         with:
@@ -37,6 +39,8 @@ jobs:
         with:
           toolchain: stable-x86_64-unknown-linux-gnu
           override: true
+      - name: Setup Cargo cache
+        uses: Swatinem/rust-cache@v2
       - name: Package
         uses: actions-rs/cargo@v1
         with: