Bump coursier/setup-action from 1.2.0.pre.M3 to 1.2.0 (#257)

Bumps [coursier/setup-action](https://github.com/coursier/setup-action) from 1.2.0.pre.M3 to 1.2.0.
- [Release notes](https://github.com/coursier/setup-action/releases)
- [Commits](coursier/setup-action@v1.2.0-M3...v1.2.0)

---
updated-dependencies:
- dependency-name: coursier/setup-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         fetch-depth: 0
         submodules: true
     - uses: coursier/cache-action@v6
-    - uses: coursier/setup-action@v1.2.0-M3
+    - uses: coursier/setup-action@v1.2.0
       with:
         jvm: 8
         apps: sbt
@@ -39,7 +39,7 @@ jobs:
         fetch-depth: 0
         submodules: true
     - uses: coursier/cache-action@v6
-    - uses: coursier/setup-action@v1.2.0-M3
+    - uses: coursier/setup-action@v1.2.0
       with:
         jvm: 8
     - run: .github/scripts/gpg-setup.sh