Set defaults.run.shell to bash (mlflow#4568)

* Use bash

Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>

* update all workflow configs

Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>

* update

Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>

.github/workflows/cross-version-tests.yml

@@ -9,6 +9,10 @@ on:
     branches:
       - master
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   set-matrix:
     runs-on: ubuntu-latest

.github/workflows/examples.yml

@@ -7,6 +7,10 @@ on:
     # Run this action daily at 7:00 UTC
     - cron: "0 7 * * *"
 
+defaults:
+  run:
+    shell: bash
+
 env:
   CONDA_DIR: /usr/share/miniconda
 

.github/workflows/labeling.yml

@@ -10,6 +10,10 @@ on:
       - opened
       - edited
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   labeling:
     runs-on: ubuntu-latest

.github/workflows/master.yml

@@ -10,6 +10,16 @@ on:
       - master
       - branch-[0-9]+.[0-9]+
 
+# Use `bash` by default for all `run` steps in this workflow:
+# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#defaultsrun
+defaults:
+  run:
+    # GitHub Actions runner executes commands specified in a run step via:
+    # $ bash --noprofile --norc -eo pipefail < commands >
+    #
+    # https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#using-a-specific-shell
+    shell: bash
+
 env:
   CONDA_DIR: /usr/share/miniconda
 

.github/workflows/release-note-category.yml

@@ -11,6 +11,10 @@ on:
       - labeled
       - unlabeled
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   validate:
     runs-on: ubuntu-latest

.github/workflows/test-package-build.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [master]
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   build:
     runs-on: ubuntu-latest