.gitignore: Add .cache (generated by clangd)

iamsergio · iamsergio · commit 928570e1c3b4 · 2023-03-30T18:16:43.000+01:00
diff --git a/.gitignore b/.gitignore
@@ -14,3 +14,4 @@ cmake_install.cmake
 test1
 build-dev
 /test/qt_test/compile_commands.json
+/test/qt_test/.cache
