build(deps): bump actions/cache from v2.1.3 to v2.1.4 (python#24446)

Bumps [actions/cache](https://github.com/actions/cache) from v2.1.3 to v2.1.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.3...26968a0)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -140,7 +140,7 @@ jobs:
       run: sudo ./.github/workflows/posix-deps-apt.sh
     - name: 'Restore OpenSSL build'
       id: cache-openssl
-      uses: actions/[email protected].3
+      uses: actions/[email protected].4
       with:
         path: ./multissl/openssl/${{ env.OPENSSL_VER }}
         key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}

.github/workflows/coverage.yml

@@ -32,7 +32,7 @@ jobs:
       run: sudo ./.github/workflows/posix-deps-apt.sh
     - name: 'Restore OpenSSL build'
       id: cache-openssl
-      uses: actions/[email protected].3
+      uses: actions/[email protected].4
       with:
         path: ./multissl/openssl/${{ env.OPENSSL_VER }}
         key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}