chore(deps): update actions/cache action to v4

.github/actions/bootstrap/action.yaml

@@ -30,7 +30,7 @@ runs:
 
     - name: Restore tool cache
       id: tool-cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ${{ github.workspace }}/.tmp
         key: ${{ inputs.cache-key-prefix }}-${{ runner.os }}-tool-${{ hashFiles('Makefile') }}
@@ -40,7 +40,7 @@ runs:
     - name: Restore go module cache
       id: go-mod-cache
       if: inputs.use-go-cache == 'true'
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/go/pkg/mod
@@ -56,7 +56,7 @@ runs:
     - name: Restore go build cache
       id: go-cache
       if: inputs.use-go-cache == 'true'
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cache/go-build

.github/workflows/validations.yaml

@@ -65,7 +65,7 @@ jobs:
       # why not use actions/upload-artifact? It is very slow (3 minutes to upload ~600MB of data, vs 10 seconds with this approach).
       # see https://github.com/actions/upload-artifact/issues/199 for more info
       - name: Upload snapshot artifacts
-        uses: actions/cache/save@v3
+        uses: actions/cache/save@v4
         with:
           path: snapshot
           key: snapshot-build-${{ github.run_id }}
@@ -86,7 +86,7 @@ jobs:
       - uses: actions/checkout@master
 
       - name: Download snapshot build
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           path: snapshot
           key: snapshot-build-${{ github.run_id }}
@@ -110,7 +110,7 @@ jobs:
       - uses: actions/checkout@master
 
       - name: Download snapshot build
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           path: snapshot
           key: snapshot-build-${{ github.run_id }}