chore(deps): bump actions/upload-artifact from 2 to 3

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

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/master.yml

@@ -32,7 +32,7 @@ jobs:
         cache-from: type=registry,ref=solidnerd/bookstack-dev:master
         outputs: type=docker,dest=/tmp/image-bookstack.tar
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: image-bookstack-master
         path: /tmp/image-bookstack.tar

.github/workflows/pr.yml

@@ -33,7 +33,7 @@ jobs:
         cache-to: type=inline
         outputs: type=docker,dest=/tmp/image-bookstack.tar
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: image-bookstack
         path: /tmp/image-bookstack.tar

.github/workflows/release.yml

@@ -32,7 +32,7 @@ jobs:
         cache-from: type=registry,ref=solidnerd/bookstack-dev:master
         outputs: type=docker,dest=/tmp/image-bookstack.tar
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: image-bookstack-master
         path: /tmp/image-bookstack.tar