Commit updated files as part of make target

Signed-off-by: Rohit Nayak <rohit@planetscale.com>

Author: rohit-nayak-ps

Makefile

@@ -59,6 +59,8 @@ BINS := mysqlctl mysqlctld vtaclcheck topo2topo vtbackup vtclient vtcombo \
 # `make mysqlctl-docs COBRADOC_VERSION_PAIRS="main:22.0" VITESS_DIR=~/go/src/github.com/vitessio/vitess`
 %-docs:
 	go run ./tools/cobradocs/ --vitess-dir "${VITESS_DIR}" --version-pairs "${COBRADOC_VERSION_PAIRS}" $(patsubst %-docs,%,$@)
+	COMMIT_HASH=$(shell cd $(VITESS_DIR) && git rev-parse --short HEAD) && \
+        git add -u content && git commit -s -m "Update cobradocs for $$COMMIT_HASH"
 
 # Target to run them all.
 .PHONY: generated-docs