Bump actions/cache from v2.1.4 to v2.1.5 (#3)

Bumps [actions/cache](https://github.com/actions/cache) from v2.1.4 to v2.1.5.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.4...1a9e213)

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/check.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Restore Gradle cache
         id: cache
-        uses: actions/cache@v2.1.4
+        uses: actions/cache@v2.1.5
         with:
           path: |
             ~/.gradle/caches

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Restore Gradle cache
         id: cache
-        uses: actions/cache@v2.1.4
+        uses: actions/cache@v2.1.5
         with:
           path: |
             ~/.gradle/caches
@@ -55,7 +55,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Restore Gradle cache
         id: cache
-        uses: actions/cache@v2.1.4
+        uses: actions/cache@v2.1.5
         with:
           path: |
             ~/.gradle/caches
@@ -88,7 +88,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Restore Gradle cache
         id: cache
-        uses: actions/cache@v2.1.4
+        uses: actions/cache@v2.1.5
         with:
           path: |
             ~/.gradle/caches