Release v7.5.1 (#4550)

* Revert back to older scala grammar

The newer grammar doesn't render as the maintainers desired on GitHub.com.

* Bump version to v7.5.1

Rakefile

@@ -58,7 +58,7 @@ end
 # The error count will need to be adjusted here until such time as all grammars are 100% error free.
 desc "Check that compiling the grammars doesn't introduce any new unexpected errors"
 task :check_grammars do
-  expected_error_count = 38  # This count should only ever go down. If it goes up, there's a new issue that needs to be addressed before updating the grammar.
+  expected_error_count = 37  # This count should only ever go down. If it goes up, there's a new issue that needs to be addressed before updating the grammar.
   rm_rf "linguist-grammars"
   output, status = Open3.capture2e("script/grammar-compiler", "compile", "-o", "linguist-grammars")
   errors_found = output[/the grammar library contains ([0-9]+) errors/, 1].to_i

lib/linguist/VERSION

@@ -1 +1 @@
-7.5.0
+7.5.1

vendor/licenses/grammar/vscode-scala-syntax.txt

@@ -1,7 +1,7 @@
 ---
 type: grammar
 name: vscode-scala-syntax
-version: 53610fa130166351c1c1545798c453a9860e2f0d
+version: ebe1ad0d9a6a2535aa3d1049c820a250d697da39
 license: mit
 ---
 MIT License