chore(deps): pin ghcr.io/projectbluefin/common docker tag to 948d006 (#858)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| ghcr.io/projectbluefin/common | stage | pinDigest |  -> `948d006` |

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Containerfile

@@ -8,7 +8,7 @@ FROM ghcr.io/ublue-os/akmods-nvidia-open:${AKMODS_VERSION} AS akmods_nvidia_open
 FROM scratch AS context
 
 COPY system_files /files
-COPY --from=ghcr.io/projectbluefin/common:latest /system_files /files
+COPY --from=ghcr.io/projectbluefin/common:latest@sha256:948d006fc6b096ff989c7dd293efd1988b8fbd9898328b43eb610f5cb5b9bceb /system_files /files
 COPY system_files_overrides /overrides
 COPY build_scripts /build_scripts