chore(portal): Bump erlang to 27.2.1 (#8008)

In preparation for upgrading to Elixir 1.18.

.github/workflows/_elixir.yml

@@ -75,10 +75,10 @@ jobs:
         id: plt_cache
         with:
           path: elixir/priv/plts
-          key: dialyzer-ubuntu-22.04-${{ runner.arch }}-${{ steps.setup-beam.outputs.elixir-version }}-${{ hashFiles('elixir/mix.lock') }}
+          key: dialyzer-ubuntu-22.04-${{ runner.arch }}-${{ steps.setup-beam.outputs.elixir-version }}-${{ steps.setup-beam.outputs.erlang-version }}-${{ hashFiles('elixir/mix.lock') }}
           # This will make sure that we can incrementally build the PLT from older cache and save it under a new key
           restore-keys: |
-            dialyzer-ubuntu-22.04-${{ runner.arch }}-${{ steps.setup-beam.outputs.elixir-version }}-
+            dialyzer-ubuntu-22.04-${{ runner.arch }}-${{ steps.setup-beam.outputs.elixir-version }}-${{ steps.setup-beam.outputs.erlang-version }}-
       - name: Create PLTs
         if: ${{ steps.plt_cache.outputs.cache-hit != 'true' }}
         run: mix dialyzer --plt

.tool-versions

@@ -2,7 +2,7 @@
 # This should match the versions used in the built product.
 nodejs 20.14.0
 elixir 1.17.2-otp-27
-erlang 27.0.1
+erlang 27.2.1
 terraform 1.10.4
 
 # Used for static analysis

elixir/Dockerfile

@@ -1,6 +1,6 @@
 ARG ALPINE_VERSION="3.20.2"
-ARG ERLANG_VERSION="27.0.1"
-ARG ERLANG_DOWNLOAD_SHA256="26d894e2f0dda9d13560af08ea589afc01569df6b5486e565beb5accb99c9cf4"
+ARG ERLANG_VERSION="27.2.1"
+ARG ERLANG_DOWNLOAD_SHA256="07982134e10637dde57cf9cdc6dda6f65425810229986136d184766d4db9eda3"
 ARG ELIXIR_VERSION="1.17.2"
 ARG ELIXIR_DOWNLOAD_SHA256="7bb8e6414b77c1707f39f620a2ad54f68d64846d663ec78069536854247fb1ab"