Update notes for submitted changes

* sshd: don't lock the known_hosts files on reading
* Allow info messages in UsernamePasswordCredentialsProvider
* ssh config: do environment variable replacement
* sshd: implement server-sig-algs SSH extension (client side)

0c/91bf4e174013f0039f39349e8f83ff0d2e51c3

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-by: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-at: Fri, 02 Apr 2021 04:55:42 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/178743
+Project: jgit/jgit
+Branch: refs/heads/master

1d/e2a9fbe73930504b72904539a3d98d9f9c9738

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-by: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-at: Fri, 02 Apr 2021 04:55:42 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/178742
+Project: jgit/jgit
+Branch: refs/heads/master

23/45cc88d0ed7b6d639ba7a1874f2200f3b21df1

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-by: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-at: Fri, 02 Apr 2021 04:55:42 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/178744
+Project: jgit/jgit
+Branch: refs/heads/master

8e/dde18c8c3240dadd7f3411d2065d8df28cdc5c

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-by: Thomas Wolf <thomas.wolf@paranor.ch>
+Submitted-at: Fri, 02 Apr 2021 04:55:42 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/178741
+Project: jgit/jgit
+Branch: refs/heads/master