Start building sysrepo-ietf-alarms

The project also requires date library[1] but it was not running
correctly on our ARM. I had to patch the library with the workaround
from [2], hence the buildroot update.

[1] https://github.com/HowardHinnant/date
[2] https://github.com/HowardHinnant/date/issues/252

Change-Id: Ie82b8c9ea50b0198b024256ff81d67ba7344c190
diff --git a/ci/build.sh b/ci/build.sh
index 6d0be8a..35d3981 100755
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -36,7 +36,7 @@
 echo BR2_PRIMARY_SITE=\"https://object-store.cloud.muni.cz/swift/v1/ci-artifacts-public/mirror/buildroot\" >> .config
 
 if [[ ${TRIGGERED_VIA_DEP} == 1 ]]; then
-    for PROJECT in cla-sysrepo netconf-cli gammarus velia rousette; do
+    for PROJECT in cla-sysrepo netconf-cli gammarus velia rousette sysrepo-ietf-alarms; do
         # If there's a change for ${PROJECT} queued ahead, ensure it gets used.
         # This means that if our submodules still pin, say, `cla-sysrepo` to some ancient version and we're testing a `netconf-cli` change,
         # then we will keep using that ancient `cla-sysrepo`. Hopefully this reduces the number of false alerts.