Test reducing cache retention

Author: casibbald

.github/workflows/audit.yml

@@ -49,6 +49,7 @@ jobs:
           key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             ${{ runner.os }}-cargo-target-
+          retention-days: 7
 
       - uses: actions-rust-lang/audit@v1
         name: Audit Rust Dependencies

.github/workflows/ci.yml

@@ -58,6 +58,7 @@ jobs:
           key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             ${{ runner.os }}-cargo-target-
+          retention-days: 7
 
       # Install Rust dependencies
       - name: Install dependencies

.github/workflows/scan.yml

@@ -97,6 +97,7 @@ jobs:
           key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             ${{ runner.os }}-cargo-target-
+          retention-days: 7
 
       - name: Run code coverage
         run: |