Bump gittools/actions from 2 to 3

Bumps [gittools/actions](https://github.com/gittools/actions) from 2 to 3.
- [Release notes](https://github.com/gittools/actions/releases)
- [Commits](GitTools/actions@v2...v3)

---
updated-dependencies:
- dependency-name: gittools/actions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/copilot-build-backend.yml

@@ -38,13 +38,13 @@ jobs:
           fetch-depth: 0
 
       - name: Install GitVersion
-        uses: gittools/actions/gitversion/setup@v2
+        uses: gittools/actions/gitversion/setup@v3
         with:
           versionSpec: "5.x"
 
       - name: Determine version
         id: gitversion
-        uses: gittools/actions/gitversion/execute@v2
+        uses: gittools/actions/gitversion/execute@v3
 
       - name: Set version tag
         id: versiontag

.github/workflows/copilot-build-memorypipeline.yml

@@ -32,13 +32,13 @@ jobs:
           fetch-depth: 0
 
       - name: Install GitVersion
-        uses: gittools/actions/gitversion/setup@v2
+        uses: gittools/actions/gitversion/setup@v3
         with:
           versionSpec: "5.x"
 
       - name: Determine version
         id: gitversion
-        uses: gittools/actions/gitversion/execute@v2
+        uses: gittools/actions/gitversion/execute@v3
 
       - name: Set version tag
         id: versiontag

.github/workflows/copilot-build-plugins.yml

@@ -32,13 +32,13 @@ jobs:
           fetch-depth: 0
 
       - name: Install GitVersion
-        uses: gittools/actions/gitversion/setup@v2
+        uses: gittools/actions/gitversion/setup@v3
         with:
           versionSpec: "5.x"
 
       - name: Determine version
         id: gitversion
-        uses: gittools/actions/gitversion/execute@v2
+        uses: gittools/actions/gitversion/execute@v3
 
       - name: Set version tag
         id: versiontag