Bump solargraph from 0.31.3 to 0.37.2

Bumps [solargraph](https://github.com/castwide/solargraph) from 0.31.3 to 0.37.2.
- [Release notes](https://github.com/castwide/solargraph/releases)
- [Commits](castwide/solargraph@v0.31.3...v0.37.2)

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

Gemfile.lock

@@ -51,7 +51,7 @@ GEM
       thor (>= 0.14.0)
     arel (7.1.4)
     ast (2.4.0)
-    backport (0.3.0)
+    backport (1.1.2)
     bcrypt (3.1.13)
     bson (4.5.0)
     builder (3.2.3)
@@ -91,7 +91,6 @@ GEM
     interception (0.5)
     jaro_winkler (1.5.3)
     json (2.2.0)
-    kramdown (1.17.0)
     loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -197,11 +196,12 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    solargraph (0.31.3)
-      backport (~> 0.3)
+    solargraph (0.37.2)
+      backport (~> 1.1)
+      bundler (>= 1.17.2)
       htmlentities (~> 4.3, >= 4.3.4)
       jaro_winkler (~> 1.5)
-      kramdown (~> 1.16)
+      nokogiri (~> 1.9, >= 1.9.1)
       parser (~> 2.3)
       reverse_markdown (~> 1.0, >= 1.0.5)
       rubocop (~> 0.52)
@@ -220,7 +220,7 @@ GEM
       tins (~> 1.0)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.10)
     tins (1.21.1)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)