CI: update ubuntu apt cache before installing new packages

This fixes transient errors on Github CI when apt cache contains outdated information.

Author: sstone

.github/workflows/release.yml

@@ -23,9 +23,12 @@ jobs:
           echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
           sudo udevadm control --reload-rules
           sudo udevadm trigger --name-match=kvm
+      - name: Update Ubuntu apt cache
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt-get update
       - name: Install cross compiler
         if: matrix.os == 'ubuntu-latest'
-        run: sudo apt install g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
+        run: sudo apt-get install -y g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
       - name: Cached Konan
         uses: actions/cache@v4
         with:

.github/workflows/snapshot.yml

@@ -31,9 +31,12 @@ jobs:
           echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
           sudo udevadm control --reload-rules
           sudo udevadm trigger --name-match=kvm
+      - name: Update Ubuntu apt cache
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt-get update
       - name: Install cross compiler
         if: matrix.os == 'ubuntu-latest'
-        run: sudo apt install g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
+        run: sudo apt-get install -y g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
       - name: Cached Konan
         uses: actions/cache@v4
         with: