build(deps-dev): bump solargraph from 0.39.14 to 0.39.17

Bumps [solargraph](https://github.com/castwide/solargraph) from 0.39.14 to 0.39.17.
- [Release notes](https://github.com/castwide/solargraph/releases)
- [Commits](castwide/solargraph@v0.39.14...v0.39.17)

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

Author: dependabot[bot]

Gemfile.lock

@@ -305,7 +305,7 @@ GEM
     parallel (1.19.2)
     parallel_tests (3.1.0)
       parallel
-    parser (2.7.1.4)
+    parser (2.7.1.5)
       ast (~> 2.4.1)
     pg (1.2.3)
     posix-spawn (0.3.15)
@@ -434,7 +434,7 @@ GEM
       rack-protection (= 2.0.8.1)
       sinatra (= 2.0.8.1)
       tilt (~> 2.0)
-    solargraph (0.39.14)
+    solargraph (0.39.17)
       backport (~> 1.1)
       benchmark
       bundler (>= 1.17.2)