Add gradle cache to speed up builds

Author: ihor-sviziev

.github/workflows/gradle.yml

@@ -9,7 +9,6 @@ on:
 
 jobs:
   build-linux:
-
     runs-on: ubuntu-latest
 
     steps:
@@ -34,7 +33,6 @@ jobs:
         run: ./gradlew test -i --no-daemon
 
   build-windows:
-
     runs-on: windows-latest
 
     steps:
@@ -59,7 +57,6 @@ jobs:
         run: ./gradlew test -i --no-daemon
 
   build-macos:
-
     runs-on: macos-latest
 
     steps:
@@ -84,7 +81,6 @@ jobs:
         run: ./gradlew test -i --no-daemon
 
   static-tests:
-
     runs-on: ubuntu-latest
 
     steps: