Bump actions/cache from v2 to v2.1.4 (#7230)

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

@@ -18,7 +18,7 @@ jobs:
       with:
         java-version: 1.8
     - name: Cache Gradle packages
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}

.github/workflows/gradle_jdk11.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         java-version: 11
     - name: Cache Gradle packages
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}

.github/workflows/gradle_pr.yml

@@ -18,7 +18,7 @@ jobs:
       with:
         java-version: 1.8
     - name: Cache Gradle packages
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}

.github/workflows/gradle_release.yml

@@ -31,7 +31,7 @@ jobs:
       with:
         java-version: 1.8
     - name: Cache Gradle packages
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}

.github/workflows/gradle_snapshot.yml

@@ -28,7 +28,7 @@ jobs:
       with:
         java-version: 1.8
     - name: Cache Gradle packages
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}