Update rav1e.cmd and docker/build.sh to use rav1e 0.4

Switches both rav1e.cmd and docker/build.sh to update from the rav1e 0.3 maintenance branch to the 0.4 maintenance branch

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 * Update dav1d.cmd to point at the 0.8.1 tag
+* Update rav1e.cmd to point at the 0.4 maintenance branch
 
 ## [0.8.4] - 2020-11-23
 

ext/rav1e.cmd

@@ -11,7 +11,7 @@
 : # Also, the error that "The target windows-msvc is not supported yet" can safely be ignored provided that rav1e/target/release
 : # contains rav1e.h and rav1e.lib.
 
-git clone -b 0.3 --depth 1 https://github.com/xiph/rav1e.git
+git clone -b 0.4 --depth 1 https://github.com/xiph/rav1e.git
 
 cd rav1e
 cargo install cbindgen

tests/docker/build.sh

@@ -63,7 +63,7 @@ ninja install
 
 # rav1e
 cd
-git clone -b 0.3 --depth 1 https://github.com/xiph/rav1e.git
+git clone -b 0.4 --depth 1 https://github.com/xiph/rav1e.git
 cd rav1e
 cargo cinstall --prefix=/usr --release