Upgrade actions/upload-artifact to v4

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

.github/actions/generate/action.yml

@@ -74,14 +74,14 @@ runs:
 
     - name: Upload warewulf.spec
       if: steps.should-continue.outputs.continue == 'true'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: warewulf.spec
         path: warewulf.spec
 
     - name: Upload DIST
       if: steps.should-continue.outputs.continue == 'true'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ env.DIST }}
         path: ${{ env.DIST }}

.github/actions/rpm/action.yml

@@ -68,19 +68,19 @@ runs:
       shell: bash
 
     - name: Upload RPM
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ env.RPM }}
         path: /var/lib/mock/${{ inputs.target }}/result/${{ env.RPM }}
 
     - name: Upload SRPM
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ env.SRPM }}
         path: /var/lib/mock/${{ inputs.target }}/result/${{ env.SRPM }}
 
     - name: Upload dracut RPM
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ env.DRACUT }}
         path: /var/lib/mock/${{ inputs.target }}/result/${{ env.DRACUT }}