Update CI configuration

This change:

* Updates the GitHub actions so that they run different commands for the
  dynamic and static flavors of libgit2.
* Updates the .travis.yml file so that it does roughly the same as the
  GitHub actions.
* Adds the release-* branches to the CI configurations.

1 files changed, 5 insertions, 0 deletions

diff --git a/script/build-libgit2-dynamic.sh b/script/build-libgit2-dynamic.sh
new file mode 100755
index 0000000..af037f3
--- /dev/null
+++ b/script/build-libgit2-dynamic.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -e
+
+exec "$(dirname "$0")/build-libgit2.sh" --dynamic