Apply Snowflake Remove HelloVerify Countermeasure

(cherry picked from commit 4f631cd2)

projects/pion-dtls/config

 # vim: filetype=yaml sw=2
 version: '[% c("abbrev") %]'
-git_url: https://github.com/pion/dtls
-git_hash: d2f797183a9f044ce976e6df6f362662ca722412 #v2.1.5
+git_url: https://github.com/xiaokangwang/dtls
+git_hash: 16e5cc8ce01c0262e4d945b7fe90eba4d7d58ce5 #v2.1.5+patch
 filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.gz'
 container:
   use_container: 1

projects/pion-webrtc/config

 # vim: filetype=yaml sw=2
 version: '[% c("abbrev") %]'
-git_url: https://github.com/pion/webrtc
-git_hash: 7367daf2324b66290f0bdbaab1e51297de1f4989 #v3.1.41
+git_url: https://github.com/xiaokangwang/webrtc
+git_hash: be9162e2b526205877a0069bdbf8c97655345403 #v3.1.41+patch
 filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.gz'
 container:
   use_container: 1

projects/snowflake/config

 # vim: filetype=yaml sw=2
 version: '[% c("abbrev") %]'
 git_url: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git
-git_hash: 9ce1de4eee4e23c918c7c5e96666ff5c6ddc654e
+git_hash: 7b77001eaa90e09d41172a2b170dabd3f1922b4a
 filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.gz'
 
 container: