Update on-tag.yml (#31)

Author: DavidGershony

.github/workflows/on-tag.yml

@@ -54,6 +54,33 @@ jobs:
           sudo systemctl restart docker
           sudo df -h | grep docker
 
+   # Add caching for Cargo registry
+      - name: Cache Cargo registry
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-registry-
+            
+      # Add caching for Cargo index
+      - name: Cache Cargo index
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/index
+          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-index-
+            
+      # Add caching for Cargo build
+      - name: Cache Cargo build
+        uses: actions/cache@v3
+        with:
+          path: target
+          key: ${{ runner.os }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-build-
+
       - name: Set env variables
         run: echo "TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_ENV