gitignore: add dependencies/install

Change-Id: I3324b1bc4f9907d053a0bd44aaf4fe898208afd7
diff --git a/.gitignore b/.gitignore
index 1899660..fc35c0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 build
-.vscode
\ No newline at end of file
+.vscode
+dependencies/install
\ No newline at end of file