Update to scala 2.13.9

Author: hamnis

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.8, 2.12.17, 3.1.3]
+        scala: [2.13.9, 2.12.17, 3.1.3]
         java: [temurin@11]
         project: [rootJVM]
     runs-on: ${{ matrix.os }}
@@ -115,7 +115,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.8]
+        scala: [2.13.9]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -152,12 +152,12 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Download target directories (2.13.8, rootJVM)
+      - name: Download target directories (2.13.9, rootJVM)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.9-rootJVM
 
-      - name: Inflate target directories (2.13.8, rootJVM)
+      - name: Inflate target directories (2.13.9, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar

build.sbt

@@ -1,5 +1,5 @@
 val Scala212 = "2.12.17"
-val Scala213 = "2.13.8"
+val Scala213 = "2.13.9"
 
 inThisBuild(
   Seq(