chore: cicd error handling (#12194)

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## **Description**
Resolves all bugs with create-release-pr.sh shell script

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also include relevant motivation and context. Have in mind the following
questions:
1. What is the reason for the change?
2. What is the improvement/solution?
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## **Related issues**

Fixes:
Git branch management issues when creating/pushing to origin

## **Manual testing steps**

Manually tested using workflow invocation from feature branch
https://github.com/MetaMask/metamask-mobile/actions/runs/11693971837

Produced the following PRs
#12195 ( Release )
#12196 ( Changelog )

## **Screenshots/Recordings**

<!-- If applicable, add screenshots and/or recordings to visualize the
before and after of your change. -->

### **Before**

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N/A

### **After**

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## **Pre-merge author checklist**

- [x] I’ve followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
- [x] I’ve included tests if applicable
- [x] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [x] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [x] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [x] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

.github/workflows/create-release-pr.yml

@@ -52,5 +52,6 @@ jobs:
         shell: bash
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          BASE_BRANCH: ${{ github.event.inputs.base-branch }}
         run: |
           ./scripts/create-release-pr.sh ${{ github.event.inputs.previous-version-tag }} ${{ github.event.inputs.semver-version }} ${{ needs.generate-build-version.outputs.build-version }}

scripts/create-release-pr.sh

@@ -39,8 +39,18 @@ echo "Configuring git.."
 git config user.name metamaskbot
 git config user.email metamaskbot@users.noreply.github.com
 
-echo "Checking out ${RELEASE_BRANCH_NAME}"
-git checkout "${RELEASE_BRANCH_NAME}"
+echo "Fetching from remote..."
+git fetch
+
+# Check if the release branch already exists on the remote
+if git branch -a | grep -q "remotes/origin/${RELEASE_BRANCH_NAME}"; then
+    echo "Release branch exists on remote, checking out."
+    git checkout "${RELEASE_BRANCH_NAME}"
+else
+    echo "Release branch does not exist on remote, creating from ${BASE_BRANCH}."
+    git checkout -b "${RELEASE_BRANCH_NAME}"
+fi
+
 echo "Release Branch Checked Out"
 
 echo "Running version update scripts.."
@@ -50,7 +60,7 @@ echo "Running version update scripts.."
 
 echo "Adding and committing changes.."
 # Track our changes
-git add package.json android/app/build.gradle ios/MetaMask/Info.plist bitrise.yml
+git add package.json android/app/build.gradle ios/MetaMask.xcodeproj/project.pbxproj bitrise.yml
 
 # Generate a commit
 git commit -m "bump semvar version to ${NEW_VERSION} && build version to ${NEW_VERSION_NUMBER}"