Update olafurpg/setup-scala action to v13

Author: renovate-bot

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
       - uses: actions/setup-go@v2
         with:
           go-version: "^1.13.1"
@@ -19,5 +19,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
       - run: sbt checkAll

.github/workflows/mdoc.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
       - run: sbt docs/docusaurusPublishGhpages
         env:
           GIT_DEPLOY_KEY: ${{ secrets.GIT_DEPLOY_KEY }}

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
       - name: Publish ${{ github.ref }}
         run: sbt ci-release
         env:

.github/workflows/sourcegraph.yml

@@ -11,7 +11,7 @@ jobs:
     name: "Upload LSIF"
     steps:
       - uses: actions/checkout@v2
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
       - uses: actions/setup-go@v2
         with:
           go-version: "1.15.6"