Update Gleam version

Author: lpil

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: erlef/setup-beam@v1
         with:
           otp-version: "27.1.2"
-          gleam-version: "1.6.3"
+          gleam-version: "1.9.1"
           rebar3-version: "3"
       - run: gleam test
       - run: gleam format --check src test

Dockerfile

@@ -1,5 +1,5 @@
 FROM erlang:27.1.1.0-alpine AS build
-COPY --from=ghcr.io/gleam-lang/gleam:v1.6.2-erlang-alpine /bin/gleam /bin/gleam
+COPY --from=ghcr.io/gleam-lang/gleam:v1.9.1-erlang-alpine /bin/gleam /bin/gleam
 COPY . /app/
 RUN cd /app && gleam export erlang-shipment