Merge ~cjwatson/launchpad:charm-update-launchpad-layers into launchpad:master

[Colin Watson]

charm: Update launchpad-layers to 81c2d5b77d

This pulls in "Add trailing slash to supermirror_root".

[Colin Watson (cjwatson)]

Trivial layers bump.

review: Approve

diff --git a/charm/launchpad-admin/charmcraft.yaml b/charm/launchpad-admin/charmcraft.yaml
index 1f8a8e9..1fbca20 100644
--- a/charm/launchpad-admin/charmcraft.yaml
+++ b/charm/launchpad-admin/charmcraft.yaml
@@ -35,7 +35,7 @@ parts:
     after:
       - ols-layers
     source: https://git.launchpad.net/launchpad-layers
-    source-commit: "0311e05ec2e856e61a2620f68aa3ea35c0a3029b"
+    source-commit: "81c2d5b77d3c2cb4fce42c15ae2a7381ebab7f8f"
     source-submodules: []
     source-type: git
     plugin: dump
diff --git a/charm/launchpad-appserver/charmcraft.yaml b/charm/launchpad-appserver/charmcraft.yaml
index 47b8752..deb7add 100644
--- a/charm/launchpad-appserver/charmcraft.yaml
+++ b/charm/launchpad-appserver/charmcraft.yaml
@@ -35,7 +35,7 @@ parts:
     after:
       - ols-layers
     source: https://git.launchpad.net/launchpad-layers
-    source-commit: "0311e05ec2e856e61a2620f68aa3ea35c0a3029b"
+    source-commit: "81c2d5b77d3c2cb4fce42c15ae2a7381ebab7f8f"
     source-submodules: []
     source-type: git
     plugin: dump
diff --git a/charm/launchpad/charmcraft.yaml b/charm/launchpad/charmcraft.yaml
index cd51483..56666d4 100644
--- a/charm/launchpad/charmcraft.yaml
+++ b/charm/launchpad/charmcraft.yaml
@@ -35,7 +35,7 @@ parts:
     after:
       - ols-layers
     source: https://git.launchpad.net/launchpad-layers
-    source-commit: "0311e05ec2e856e61a2620f68aa3ea35c0a3029b"
+    source-commit: "81c2d5b77d3c2cb4fce42c15ae2a7381ebab7f8f"
     source-submodules: []
     source-type: git
     plugin: dump