go: Bump goimports to 0.30.0

Author: peternose

docker/oasis-core-dev/Dockerfile

@@ -9,7 +9,7 @@ ARG GO_PROTOC_GEN_GO_VERSION=1.21.0
 ARG GOLANGCILINT_VERSION=1.64.5
 ARG GOCOVMERGE_VERSION=b5bfa59ec0adc420475f97f89b58045c721d761c
 ARG GOFUMPT_VERSION=v0.7.0
-ARG GOIMPORTS_VERSION=v0.18.0
+ARG GOIMPORTS_VERSION=v0.30.0
 ARG RUST_NIGHTLY_VERSION=2024-07-09
 ARG JEMALLOC_VERSION=5.2.1
 ARG JEMALLOC_CHECKSUM=34330e5ce276099e2e8950d9335db5a875689a4c6a56751ef3b1d8c537f887f6

docs/development-setup/prerequisites.md

@@ -138,7 +138,7 @@ Core:
 
   ```
   ${OASIS_GO:-go} install mvdan.cc/gofumpt@v0.7.0
-  ${OASIS_GO:-go} install golang.org/x/tools/cmd/goimports@v0.18.0
+  ${OASIS_GO:-go} install golang.org/x/tools/cmd/goimports@v0.30.0
   ```
 
 * (**OPTIONAL**) [golangci-lint].