ci: add cargo cache

Author: omfj

.github/workflows/build-docker.yaml

@@ -31,6 +31,9 @@ jobs:
       - name: 🔍 Checkout
         uses: actions/checkout@v6
 
+      - name: 🦀 Cache Cargo
+        uses: Swatinem/rust-cache@v2
+
       - name: 🦀 Install SQLX
         run: cargo install sqlx-cli --no-default-features --features postgres
 

.github/workflows/test.yaml

@@ -34,6 +34,9 @@ jobs:
       - name: 🔍 Checkout
         uses: actions/checkout@v6
 
+      - name: 🦀 Cache Cargo
+        uses: Swatinem/rust-cache@v2
+
       - name: 🦀 Install SQLX
         run: cargo install sqlx-cli --no-default-features --features postgres