chore(deps): update gcr.io/distroless/base:nonroot docker digest to 1a8ece8 (#701)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| gcr.io/distroless/base | final | digest | `c623859` -> `1a8ece8` |

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cli/experimental/service/Dockerfile

@@ -9,6 +9,6 @@ RUN go build -o slsa-verifier -trimpath -ldflags "-s -w -extldflags=-static" -mo
 # COPY ./service/service slsa-verifier
 # RUN chmod o+x ./slsa-verifier
 
-FROM gcr.io/distroless/base:nonroot@sha256:c62385962234a3dae5c9e9777dedc863d99f676b7202cd073e90b06e46021994
+FROM gcr.io/distroless/base:nonroot@sha256:1a8ece87bd75cde87d0484ef48eb60ea25811baf90967265956ae4fa2098dd9d
 COPY --from=base /src/slsa-verifier /
 ENTRYPOINT ["/slsa-verifier"]