Remove files to prevent running out of disk space.

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>

.github/capture.sh

diff --git a/.github/capture.sh b/.github/capture.sh
index 2fd5f91..aa50cde 100644
--- a/.github/capture.sh
+++ b/.github/capture.sh
@@ -52,6 +52,9 @@
 		\
 		--file ${GITHUB_WORKSPACE}/output/pdk-SKY130A-${STD_CELL_LIBRARY}.tar.bz2 .
 
+	# Remove the stuff we just put in the tarball so we don't run out of disk space.
+	rm -rf .
+
 	echo ::endgroup::
 )