Bump actions/setup-java from v1 to v2

Bumps [actions/setup-java](https://github.com/actions/setup-java) from v1 to v2.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v1...8764a52)

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

.github/workflows/build_and_test.yml

@@ -12,7 +12,7 @@ jobs:
       # actions/checkout v1.* is needed for correct codecov upload, see github issues for details
       - uses: actions/checkout@v1
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository
@@ -96,7 +96,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository

.github/workflows/detekt.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository

.github/workflows/diktat.yml

@@ -16,7 +16,7 @@ jobs:
           # set this to 0 to fetch all tags too and be able to use them later
           fetch-depth: 0
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository

.github/workflows/diktat_snapshot.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository (shared with regular CI build)

.github/workflows/metrics_for_master.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 1.11
       - name: Cache local Maven repository