[release/v7.6.1] Pin ready-to-merge.yml reusable workflow to commit SHA (PowerShell#27245)

Author: daxian-dbw

.github/workflows/linux-ci.yml

@@ -257,6 +257,6 @@ jobs:
       - infrastructure_tests
       # - analyze
     if: always()
-    uses: PowerShell/compliance/.github/workflows/ready-to-merge.yml@v1.0.0
+    uses: PowerShell/compliance/.github/workflows/ready-to-merge.yml@c8b3ad5819ad7078f3e375519b4f8c6232d1cbdf # v1.0.0
     with:
       needs_context: ${{ toJson(needs) }}

.github/workflows/macos-ci.yml

@@ -243,6 +243,6 @@ jobs:
       - macos_test_unelevated_ci
       - macos_test_unelevated_others
     if: always()
-    uses: PowerShell/compliance/.github/workflows/ready-to-merge.yml@v1.0.0
+    uses: PowerShell/compliance/.github/workflows/ready-to-merge.yml@c8b3ad5819ad7078f3e375519b4f8c6232d1cbdf # v1.0.0
     with:
       needs_context: ${{ toJson(needs) }}

.github/workflows/windows-ci.yml

@@ -189,6 +189,6 @@ jobs:
       - analyze
       - windows_packaging
     if: always()
-    uses: PowerShell/compliance/.github/workflows/ready-to-merge.yml@v1.0.0
+    uses: PowerShell/compliance/.github/workflows/ready-to-merge.yml@c8b3ad5819ad7078f3e375519b4f8c6232d1cbdf # v1.0.0
     with:
       needs_context: ${{ toJson(needs) }}