Cancel weekly meetings and office hours for certain dates in 2025 (#186)

* Cancel office hours

* Cancel a few community meetings

Author: namurphy

pages/meetings/office_hours.md

@@ -18,6 +18,9 @@ If so, then **please join us for informal PlasmaPy office hours on
 most Thursdays from 3–3:45 pm ET (12–12:45 pm PT)**. We will meet on
 [Zoom]. The schedule is published on our [calendar].
 
+Office hours will not be held on February 13, April 14, June 5, or
+November 20 in 2025.
+
 We will not hold office hours on [federal holidays] in the US, the
 last two Thursdays of December, the first two Thursdays in January, or
 during the [APS DPP meeting].

pages/meetings/weekly.md

@@ -24,6 +24,9 @@ PlasmaPy's weekly online community meeting is held on most Tuesdays at
 2 pm ET / 11 am PT.  This call is hosted on [Zoom].  The schedule is
 published on our [calendar].
 
+We will not hold community meetings on March 18, April 22, May 13,
+June 3, or November 18 in 2025.
+
 We will not hold community meetings on [federal holidays] in the US,
 the last two Tuesdays of December, the first Tuesday of January, or
 during the [APS DPP meeting].