Bump hexpm/elixir

Bumps hexpm/elixir from 1.15.7-erlang-26.1.2-alpine-3.18.4 to 1.15.7-erlang-26.2-alpine-3.18.4.

---
updated-dependencies:
- dependency-name: hexpm/elixir
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -2,7 +2,7 @@
 # Stage: builder
 ########################################################################
 
-FROM hexpm/elixir:1.15.7-erlang-26.1.2-alpine-3.18.4 as builder
+FROM hexpm/elixir:1.15.7-erlang-26.2-alpine-3.18.4 as builder
 
 ENV MIX_HOME=/opt/mix \
     HEX_HOME=/opt/hex \