Update dependency gittools/gitversion to v6.5.0

Author: renovate[bot]

.github/workflows/close-milestone6.yml

@@ -25,7 +25,7 @@ jobs:
         uses: gittools/actions/gitversion/setup@v4.2.0
         with:
           # renovate: datasource=github-releases depName=gittools/gitversion
-          versionSpec: '6.1.0'
+          versionSpec: 6.5.0
 
       - name: Install GitReleaseManager
         uses: gittools/actions/gitreleasemanager/setup@v4.2.0

.github/workflows/draft-release6.yml

@@ -32,7 +32,7 @@ jobs:
         uses: gittools/actions/gitversion/setup@v4.2.0
         with:
           # renovate: datasource=github-releases depName=gittools/gitversion
-          versionSpec: '6.1.0'
+          versionSpec: 6.5.0
 
       - name: Install GitReleaseManager
         uses: gittools/actions/gitreleasemanager/setup@v4.2.0

.github/workflows/update-milestone6.yml

@@ -29,7 +29,7 @@ jobs:
         uses: gittools/actions/gitversion/setup@v4.2.0
         with:
           # renovate: datasource=github-releases depName=gittools/gitversion
-          versionSpec: '6.1.0'
+          versionSpec: 6.5.0
 
       - name: Install GitReleaseManager
         if: ${{ github.event.action == 'opened' }}