.gitignore: use /vendor instead of ./vendor

jupblb · jupblb · commit 7006fe04357d · 2026-03-30T12:01:37.000+02:00
Same fix as /src — ./vendor is non-standard gitignore syntax that may
be misinterpreted by tools like ripgrep.
diff --git a/.gitignore b/.gitignore
@@ -2,7 +2,7 @@
 cmd/src/src
 *.zip
 release
-./vendor
+/vendor
 .idea
 .env
 .envrc
