[ci] Limiting depth of git clone by using actions/checkout@v2

Author: barancev

.github/workflows/java.yml

@@ -17,8 +17,6 @@ jobs:
     steps:
       - name: Checkout source tree
         uses: actions/checkout@v2
-        with:
-          fetch-depth: 10
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with:
@@ -44,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source tree
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with:
@@ -71,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source tree
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with:
@@ -98,7 +96,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source tree
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with:
@@ -131,7 +129,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source tree
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with:
@@ -165,7 +163,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source tree
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with:
@@ -200,7 +198,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source tree
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Cache Bazel artifacts
         uses: actions/cache@v2
         with: