fix: bump PowerShell v2 in GH actions (#1444)

## Description

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Fixes #123
Fixes #456
Closes #123
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## Pipeline Reference

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## Type of Change

<!-- Use the check-boxes [x] on the options that are relevant. -->

- [x] Update to CI Environment or utlities (Non-module effecting
changes)
- [ ] Azure Verified Module updates:
- [ ] Bugfix containing backwards compatible bug fixes, and I have NOT
bumped the MAJOR or MINOR version in `version.json`:
- [ ] Someone has opened a bug report issue, and I have included "Closes
#{bug_report_issue_number}" in the PR description.
- [ ] The bug was found by the module author, and no one has opened an
issue to report it yet.
- [ ] Feature update backwards compatible feature updates, and I have
bumped the MINOR version in `version.json`.
- [ ] Breaking changes and I have bumped the MAJOR version in
`version.json`.
  - [ ] Update to documentation

## Checklist

- [x] I'm sure there are no other open Pull Requests for the same
update/change
- [ ] I have run `Set-AVMModule` locally to generate the supporting
module files.
- [x] My corresponding pipelines / checks run clean and green without
any errors or warnings

<!-- Please keep up to day with the contribution guide at
https://aka.ms/avm/contribute/bicep -->

.github/actions/templates/avm-publishModule/action.yml

@@ -47,7 +47,7 @@ runs:
 
     - name: "Publish module to public bicep registry"
       id: publish_step
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |
@@ -76,7 +76,7 @@ runs:
           Write-Output '::endgroup::'
 
     - name: "Validate publish"
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       if: ${{ steps.publish_step.outputs.version != '' && steps.publish_step.outputs.publishedModuleName != '' }}
       with:
         azPSVersion: "latest"

.github/actions/templates/avm-validateModuleDeployment/action.yml

@@ -65,7 +65,7 @@ runs:
     # ---------------------------
     - name: "Get Resource Location"
       id: get-resource-location
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |
@@ -94,7 +94,7 @@ runs:
     # [Token replacement] task(s)
     # ---------------------------
     - name: "Replace tokens in template file"
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |
@@ -160,7 +160,7 @@ runs:
     # [Deployment validation] task(s)
     # -------------------------------
     - name: "Validate template file"
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |
@@ -212,7 +212,7 @@ runs:
     # ------------------------------
     - name: "Deploy template file"
       id: deploy_step
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |
@@ -368,7 +368,7 @@ runs:
     # ----------------------------
     - name: "Remove deployed resources"
       if: ${{ (success() || failure()) && inputs.removeDeployment == 'true' && steps.deploy_step.outputs.deploymentNames != '' }}
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |

.github/actions/templates/avm-validateModulePSRule/action.yml

@@ -38,7 +38,7 @@ runs:
     # [Token replacement] task(s)
     # ---------------------------
     - name: "Replace tokens in template file"
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |
@@ -133,7 +133,7 @@ runs:
 
     - name: "Parse CSV content"
       if: always()
-      uses: azure/powershell@v1
+      uses: azure/powershell@v2
       with:
         azPSVersion: "latest"
         inlineScript: |