Bump actions/setup-java from v1 to v2

.github/workflows/build_and_test.yml

@@ -12,9 +12,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
@@ -96,9 +97,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:

.github/workflows/detekt.yml

@@ -13,9 +13,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:

.github/workflows/diktat.yml

@@ -16,9 +16,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:

.github/workflows/diktat_snapshot.yml

@@ -16,9 +16,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository (shared with regular CI build)
         uses: actions/cache@v2
         with:

.github/workflows/metrics_for_master.yml

@@ -16,9 +16,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         # keys are the same as in build_and_test workflow to make cache available for PRs

.github/workflows/release.yml

@@ -14,9 +14,10 @@ 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
+          distribution: zulu
+          java-version: 11
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with: