build: Bump Flanterm to 3.1.0
diff --git a/bootstrap b/bootstrap
index 64e35bf4..993dabca 100755
--- a/bootstrap
+++ b/bootstrap
@@ -101,7 +101,7 @@ if ! test -f version; then
clone_repo_commit \
https://github.com/Mintsuki/Flanterm.git \
flanterm \
- 112434532822dde252c84b25a6798a9c00515d66
+ f3221ad399f08437efd6de77a5f0d9a5607a8649
download_by_hash \
https://github.com/nothings/stb/raw/5c205738c191bcb0abc65c4febfa9bd25ff35234/stb_image.h \
