Enable musl try builds

Author: wesleywiser

.github/workflows/ci.yml

@@ -583,6 +583,12 @@ jobs:
           - name: dist-x86_64-linux
             os: ubuntu-20.04-xl
             env: {}
+          - name: dist-i586-gnu-i586-i686-musl
+            os: ubuntu-20.04-xl
+            env: {}
+          - name: dist-x86_64-musl
+            os: ubuntu-20.04-xl
+            env: {}
     timeout-minutes: 600
     runs-on: "${{ matrix.os }}"
     steps:

src/ci/github-actions/ci.yml

@@ -747,6 +747,10 @@ jobs:
           - &dist-x86_64-linux
             name: dist-x86_64-linux
             <<: *job-linux-xl
+          - name: dist-i586-gnu-i586-i686-musl
+            <<: *job-linux-xl
+          - name: dist-x86_64-musl
+            <<: *job-linux-xl
 
   master:
     name: master