Bump olafurpg/setup-scala from 12 to 13

Bumps [olafurpg/setup-scala](https://github.com/olafurpg/setup-scala) from 12 to 13.
- [Release notes](https://github.com/olafurpg/setup-scala/releases)
- [Commits](olafurpg/setup-scala@v12...v13)

---
updated-dependencies:
- dependency-name: olafurpg/setup-scala
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
             CACHE_PATH: ~\AppData\Local\Coursier\Cache\v1
     steps:
       - uses: actions/checkout@v2
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
         with:
           java-version: ${{ matrix.java }}
       - uses: coursier/[email protected]
@@ -107,7 +107,7 @@ jobs:
             os: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
         with:
           java-version: "[email protected]"
       - uses: coursier/[email protected]

.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
       - uses: olafurpg/setup-gpg@v3
       - uses: coursier/[email protected]
       - name: Publish

.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"