Add Matplotlib triage session for August (#871)

* Add Matplotlib triage session for August 

Also updated the NCM schedule.

* Re-trigger netlify preview

* Add cdc.gov to lychee excude list

Author: melissawm

.github/lychee.toml

@@ -18,6 +18,7 @@ exclude = [
   'hackmd\.io',
   'timeanddate\.com',
   'medium\.com',
+  'cdc\.gov',
 
   # Links from pages captured for posterity, but no longer active
   'www.dsb.dk'

calendars/matplotlib.yaml

@@ -23,8 +23,8 @@ events:
 
       Meeting notes: https://hackmd.io/@matplotlib
 
-    begin: 2023-02-07 17:00:00 +00:00
-    end: 2023-02-07 18:00:00 +00:00
+    begin: 2026-10-13 17:00:00 +00:00
+    end: 2026-10-13 18:00:00 +00:00
     url: https://numfocus-org.zoom.us/j/88077871096?pwd=bTxkJRug4Lmr8AiR9jNyntxBS4yGDe.1
     ics: RRULE:FREQ=MONTHLY;BYDAY=1TU;INTERVAL=2
 
@@ -55,6 +55,18 @@ events:
     end: 2026-07-14 15:00:00 +00:00
     url: https://numfocus-org.zoom.us/j/88077871096?pwd=bTxkJRug4Lmr8AiR9jNyntxBS4yGDe.1
 
+  - summary: Matplotlib New Contributors Meeting - Triage Edition
+    description: |
+      For this month's new contributor meeting, we're once more hosting a session to walk through how to do issue and PR triage on the Matplotlib GitHub repo.
+
+      Whether you've never contributed before or just want to help the project run smoother — you're welcome to join.
+
+      Meeting notes: https://hackmd.io/@matplotlib/triage0826
+
+    begin: 2026-08-11 20:00:00 +00:00
+    end: 2026-08-11 21:00:00 +00:00
+    url: https://numfocus-org.zoom.us/j/88077871096?pwd=bTxkJRug4Lmr8AiR9jNyntxBS4yGDe.1
+
   - summary: Matplotlib Documentation Meeting
     description: |
       Meeting every other week to discuss all things Matplotlib documentation.