contrib: update PyOxidizer to 0.10.3

This is necessary to work around a bug that caused build failures on
current stable with 0.9.0. This patch was used to build the 5.7rc0 Windows
installers.

Differential Revision: https://phab.mercurial-scm.org/D9858

contrib/automation/hgautomation/linux.py

@@ -75,7 +75,7 b' sudo -H -u hg -g hg ./rustup-init -y'
 sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup install 1.31.1 1.46.0
 sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup component add clippy
 
-sudo -H -u hg -g hg /home/hg/.cargo/bin/cargo install --version 0.9.0 pyoxidizer
+sudo -H -u hg -g hg /home/hg/.cargo/bin/cargo install --version 0.10.3 pyoxidizer
 '''
 
 

contrib/install-windows-dependencies.ps1

@@ -125,7 +125,7 b' function Install-Rust($prefix) {'
     Invoke-Process "${prefix}\cargo\bin\rustup.exe" "component add clippy"
 
     # Install PyOxidizer for packaging.
-    Invoke-Process "${prefix}\cargo\bin\cargo.exe" "install --version 0.9.0 pyoxidizer"
+    Invoke-Process "${prefix}\cargo\bin\cargo.exe" "install --version 0.10.3 pyoxidizer"
 }
 
 function Install-Dependencies($prefix) {