Fix CI (azhur#590)

Author: azhur

.github/workflows/build.yml

@@ -16,6 +16,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 17
+      - uses: sbt/setup-sbt@v1
       - name: Cache sbt
         uses: actions/cache@v2
         with:

.github/workflows/release.yml

@@ -5,7 +5,7 @@ on:
     tags: ["*"]
 jobs:
   publish:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
         with: