default.xml: Bump bitbake revision

* b8fd6f5d  server/process: Fix logging issues where only the first message was displayed - Richard Purdie

Signed-off-by: Pavel Zhukov <pavel.zhukov@huawei.com>

manifests/default.xml

@@ -24,7 +24,7 @@ SPDX-FileCopyrightText: Huawei Inc.
 	<remote name="openembedded" fetch="git://git.openembedded.org" />
 	<remote name="seco" fetch="https://git.seco.com" />
 
-	<project name="bitbake" remote="openembedded" revision="494fcfcb7c4469915c67f544997104d81c417266" path="bitbake" />
+	<project name="bitbake" remote="openembedded" revision="b8fd6f5d9959d27176ea016c249cf6d35ac8ba03" path="bitbake" />
 	<project name="openembedded-core" remote="openembedded" revision="a5919cb8bcb8f3fe66519c80aa8730b16cf987ac" path="oe-core" />
 	<project name="meta-openembedded" remote="openembedded" revision="fcc7d7eae82be4c180f2e8fa3db90a8ab3be07b7" path="meta-openembedded" />
 	<project name="aehs29/meta-freertos" remote="github" revision="98a6838261d36b8f79c5fbae1736492169727a1e" path="meta-freertos" />