go.dev/_content/blog: fix embedded videos in two posts

Fixes golang/go#48235

Change-Id: I204e8f24290c1c4c411b522d6fbed535741fb0c8
GitHub-Last-Rev: 5da61a437c63493867c34997372ad85c9451531f
GitHub-Pull-Request: golang/website#93
Reviewed-on: https://go-review.googlesource.com/c/website/+/348249
Reviewed-by: Jamal Carvalho <jamal@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/cmd/golangorg/csp.go b/cmd/golangorg/csp.go
index 397aadc..11e99a8 100644
--- a/cmd/golangorg/csp.go
+++ b/cmd/golangorg/csp.go
@@ -73,6 +73,7 @@
 		"www.googletagmanager.com",
 		"scone-pa.clients6.google.com",
 		"www.youtube.com",
+		"player.vimeo.com",
 	},
 	"img-src": {
 		self,
diff --git a/go.dev/_content/blog/waza-talk.md b/go.dev/_content/blog/waza-talk.md
index 9f9e821..ed5c93a 100644
--- a/go.dev/_content/blog/waza-talk.md
+++ b/go.dev/_content/blog/waza-talk.md
@@ -27,7 +27,7 @@
 [_Concurrency is not parallelism_](https://blog.heroku.com/concurrency_is_not_parallelism),
 and a video recording of the talk was released a few months ago.
 
-{{video "https://www.youtube.com/watch?v=oV9rvDllKEg" 500 281}}
+{{video "https://www.youtube.com/embed/oV9rvDllKEg" 500 281}}
 
 The slides are available at [talks.golang.org](https://talks.golang.org/2012/waza.slide)
 (use the left and right arrow keys to navigate).