ci: add otp 29

Author: jtdowney

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: erlef/setup-beam@v1
         with:
-          otp-version: "28"
+          otp-version: "29"
           gleam-version: "1.16"
           rebar3-version: "3"
       - run: gleam deps download
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        otp-version: ["27", "28"]
+        otp-version: ["27", "28", "29"]
         gleam-version: ["1.15", "1.16"]
     steps:
       - uses: actions/checkout@v6
@@ -51,7 +51,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - uses: erlef/setup-beam@v1
         with:
-          otp-version: "28"
+          otp-version: "29"
           gleam-version: ${{ matrix.gleam-version }}
           rebar3-version: "3"
       - run: gleam deps download