CI - No discord ping for skipped checks (#3718)

# Description of Changes

I thought this was covered by the `NEUTRAL` case, but apparently
`SKIPPED` is separate.

# API and ABI breaking changes

None

# Expected complexity level and risk

1

# Testing

We'll see when it merges 🤷

Co-authored-by: Zeke Foppa <bfops@users.noreply.github.com>

Author: bfops

.github/workflows/discord-posts.yml

@@ -36,7 +36,7 @@ jobs:
               --json 'workflow,state,name' |
               jq '.[]
                 | select(.workflow != "Discord notifications")
-                | select(.state != "SUCCESS" and .state != "NEUTRAL")
+                | select(.state != "SUCCESS" and .state != "NEUTRAL" and .state != "SKIPPED")
               ' |
               jq -r '"\(.workflow) / \(.name): \(.state)"'
           )"