docs: Update armv8 runner link (tauri-apps#3247)

Author: Casper-N

src/content/docs/distribute/Pipelines/github.mdx

@@ -166,7 +166,7 @@ jobs:
         include:
           - arch: aarch64
             cpu: cortex-a72
-            base_image: https://dietpi.com/downloads/images/DietPi_RPi-ARMv8-Bookworm.img.xz
+            base_image: https://dietpi.com/downloads/images/DietPi_RPi5-ARMv8-Bookworm.img.xz
             deb: arm64
             rpm: aarch64
             appimage: aarch64