chore: udate go version

Author: shreddedbacon

.github/workflows/storage-calculator.yaml

@@ -36,7 +36,7 @@ jobs:
     - name: Setup correct Go version
       uses: actions/setup-go@v6
       with:
-        go-version: '1.25'
+        go-version: '1.26'
 
     - name: Add dependency chart repos
       run: |
@@ -56,4 +56,4 @@ jobs:
 
     - name: Run github/test-e2e
       run: |
-        make github/test-e2e KIND_NETWORK=kind
+        make github/test-e2e KIND_NETWORK=kind