build: use maven 3.8.1 for ci (#1001)

* build: use maven 3.8.1 for ci

* formatting

* clirr

Author: kolea2

.github/workflows/ci.yaml

@@ -15,6 +15,9 @@ jobs:
           - 11
     steps:
       - uses: actions/checkout@v2
+      - uses: stCarolas/setup-maven@v4
+        with:
+          maven-version: 3.8.1
       - uses: actions/setup-java@v1
         with:
           java-version: ${{matrix.java}}
@@ -26,6 +29,9 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: stCarolas/setup-maven@v4
+        with:
+          maven-version: 3.8.1
       - uses: actions/setup-java@v1
         with:
           java-version: 8
@@ -42,6 +48,9 @@ jobs:
           - 11
     steps:
       - uses: actions/checkout@v2
+      - uses: stCarolas/setup-maven@v4
+        with:
+          maven-version: 3.8.1
       - uses: actions/setup-java@v1
         with:
           java-version: ${{matrix.java}}
@@ -51,6 +60,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: stCarolas/setup-maven@v4
+        with:
+          maven-version: 3.8.1
       - uses: actions/setup-java@v1
         with:
           java-version: 8
@@ -67,6 +79,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: stCarolas/setup-maven@v4
+        with:
+          maven-version: 3.8.1
       - uses: actions/setup-java@v1
         with:
           java-version: 8
@@ -78,6 +93,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: stCarolas/setup-maven@v4
+        with:
+          maven-version: 3.8.1
       - uses: actions/setup-java@v1
         with:
           java-version: 8