Bump actions/cache from 3 to 4 (#43)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -74,12 +74,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('Cargo.lock') }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         if: startsWith(matrix.name, 'linux-')
         with:
           path: ~/.cargo/bin
@@ -159,7 +159,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/bin
           key: sign-tools-${{ hashFiles('.github/workflows/release.yml') }}