Install breezy via pip in CI

The apt python3-breezy on ubuntu-latest is 3.3.5, but breezyshim 0.7.16
requires brz >= 3.3.6, causing tests to abort at initialization.

Author: jelmer

.github/workflows/publish.yaml

@@ -20,8 +20,7 @@ jobs:
 
       - name: Install Breezy
         run: |
-          sudo apt-get update
-          sudo apt-get install -y python3-breezy
+          pip install 'breezy>=3.3.6'
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable

.github/workflows/test.yaml

@@ -16,8 +16,7 @@ jobs:
 
       - name: Install Breezy
         run: |
-          sudo apt-get update
-          sudo apt-get install -y python3-breezy
+          pip install 'breezy>=3.3.6'
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable