Merge ~gabrielcocenza/charm-prometheus-alertmanager:charm-snap into charm-prometheus-alertmanager:master

[Gabriel Cocenza]

Pin charm snap version as a temporary fix.

- build start failing because of a incompatibility issue with
  charmcraft and charm snap.

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[🤖 prod-jenkaas-bootstack (prod-jenkaas-bootstack)]

PASSED: Continuous integration, rev:55604f5a0d80b5afff6ada5442ee9376345c68bd
https://jenkins.canonical.com/bootstack/job/lp-charm-prometheus-alertmanager-ci/2/
Executed test runs:
    SUCCESS: https://jenkins.canonical.com/bootstack/job/lp-charm-test-unit/16/
    None: https://jenkins.canonical.com/bootstack/job/lp-update-mp/258/

Click here to trigger a rebuild:
https://jenkins.canonical.com/bootstack/job/lp-charm-prometheus-alertmanager-ci/2//rebuild

review: Approve (continuous-integration)

[Erhan Sunar (esunar)]

LGTM

review: Approve

[Eric Chen (eric-chen)]

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision 48dacf60e12a191d5eaa9535f1feaa162e43d1fe

diff --git a/charmcraft.yaml b/charmcraft.yaml
index 1f750bc..3332b64 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -3,7 +3,9 @@ parts:
   charm:
     source: src
     plugin: reactive
-    build-snaps: [charm]
+    build-snaps: [ charm/2.x/stable ] # charmcraft has incompatibility issue
+                                      # with the latest charm snap. Pining the
+                                      # version to 2.x/stable as a temporary fix
 bases:
     - build-on:
         - name: ubuntu