update prover Dockerfile: bump go version and simplify proving-keys COPY rules (#1970)

Author: sergeytimoshin

prover/server/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20.3-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 WORKDIR /app
 
@@ -16,10 +16,8 @@ COPY --from=builder /usr/local/bin/light-prover /usr/local/bin/light-prover
 
 WORKDIR /proving-keys
 
-COPY --chown=nonroot:nonroot ./proving-keys/mainnet* /proving-keys/
-COPY --chown=nonroot:nonroot ./proving-keys/inclusion* /proving-keys/ 
-COPY --chown=nonroot:nonroot ./proving-keys/non-inclusion_* /proving-keys/
-COPY --chown=nonroot:nonroot ./proving-keys/combined_* /proving-keys/
+COPY --chown=nonroot:nonroot ./proving-keys/v1_* /proving-keys/
+COPY --chown=nonroot:nonroot ./proving-keys/v2_* /proving-keys/
 
 WORKDIR /