Bump crystal-lang/install-crystal from 1.8.2 to 1.8.3

Bumps [crystal-lang/install-crystal](https://github.com/crystal-lang/install-crystal) from 1.8.2 to 1.8.3.
- [Release notes](https://github.com/crystal-lang/install-crystal/releases)
- [Commits](https://github.com/crystal-lang/install-crystal/compare/v1.8.2...v1.8.3)

---
updated-dependencies:
- dependency-name: crystal-lang/install-crystal
  dependency-version: 1.8.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/ci.yml

@@ -58,7 +58,7 @@ jobs:
         shell: bash
 
       - name: Install Crystal
-        uses: crystal-lang/install-crystal@v1.8.2
+        uses: crystal-lang/install-crystal@v1.8.3
         with:
           crystal: ${{ matrix.crystal }}
 
@@ -134,7 +134,7 @@ jobs:
 
       - name: Install Crystal
         id: lint_step_install_crystal
-        uses: crystal-lang/install-crystal@v1.8.2
+        uses: crystal-lang/install-crystal@v1.8.3
         with:
           crystal: latest