Merge pull request #1979 from petermm/fix-ci-cache-key-ex-files

CI: Include .ex (and .hrl) files in cache key

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

Author: bettio

.github/workflows/build-and-test.yaml

@@ -475,7 +475,7 @@ jobs:
       id: cache
       with:
         path: 'build/tests/**/*.beam'
-        key: ${{ matrix.otp }}-${{ hashFiles('**/build-and-test.yaml', 'tests/**/*.erl') }}-${{ matrix.jit_target_arch }}
+        key: ${{ matrix.otp }}-${{ hashFiles('**/build-and-test.yaml', 'tests/**/*.{erl,hrl,ex}') }}-${{ matrix.jit_target_arch }}
 
     - name: "Build: run cmake"
       working-directory: build