ci: init gpg key and pass for tests

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/fixtures/generate.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env sh
+set -ex
+
+gpg --batch --gen-key <<-EOF
+%echo Generating a standard key
+Key-Type: DSA
+Key-Length: 1024
+Subkey-Type: ELG-E
+Subkey-Length: 1024
+Name-Real: Meshuggah Rocks
+Name-Email: meshuggah@example.com
+Expire-Date: 0
+# Do a commit here, so that we can later print "done" :-)
+%commit
+%echo done
+EOF