Try to get CI working again

- Mirror all dependencies, like we've done on master
 - Run gradle build twice. Apparently the first time the dependencies
   aren't always available.

.github/workflows/main-ci.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
 
     - name: Set up JDK 1.8
       uses: actions/setup-java@v1
@@ -16,7 +16,7 @@ jobs:
         java-version: 1.8
 
     - name: Build with Gradle
-      run: ./gradlew build --no-daemon
+      run: ./gradlew build --no-daemon || ./gradlew build --no-daemon
 
     - name: Upload Jar
       uses: actions/upload-artifact@v1

build.gradle

@@ -82,18 +82,10 @@ accessTransformer file('src/main/resources/META-INF/accesstransformer.cfg')
 }
 
 repositories {
-    maven {
-        name "JEI"
-        url "https://dvs1.progwml6.com/files/maven"
-    }
     maven {
         name "SquidDev"
         url "https://squiddev.cc/maven"
     }
-    maven {
-        name "CraftTweaker"
-        url "https://maven.blamejared.com/"
-    }
 }
 
 configurations {
@@ -107,10 +99,10 @@ accessTransformer file('src/main/resources/META-INF/accesstransformer.cfg')
 
     minecraft "net.minecraftforge:forge:${mc_version}-${forge_version}"
 
-    compileOnly fg.deobf("mezz.jei:jei-1.14.4:6.0.0.25:api")
-    compileOnly fg.deobf("com.blamejared.crafttweaker:CraftTweaker-1.14.4:5.0.1.150")
+    compileOnly fg.deobf("mezz.jei:jei-1.14.4:6.0.0.27:api")
+    compileOnly fg.deobf("com.blamejared.crafttweaker:CraftTweaker-1.14.4:5.0.1.162")
 
-    runtimeOnly fg.deobf("mezz.jei:jei-1.14.4:6.0.0.25")
+    runtimeOnly fg.deobf("mezz.jei:jei-1.14.4:6.0.0.27")
 
     shade 'org.squiddev:Cobalt:0.5.0-SNAPSHOT'